优化代码
This commit is contained in:
@@ -101,7 +101,7 @@ public class FormTableExecutor {
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param.setConditions(conditions);
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param.setOrderField(orderField != null ? orderField : ctx.getTableName().contains("formson") ? "sort" : null);
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param.setSortType(sortType);
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Map<String, Object> sqlMap = generateSql(param);
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Map<String, Object> sqlMap = SqlGenerator.generateSql(param);
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JDBCAgent agent = new JDBCAgent();
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try {
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@@ -143,7 +143,7 @@ public class FormTableExecutor {
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param.setOrderField(orderField != null ? orderField : ctx.getTableName().contains("formson") ? "sort" : null);
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param.setSortType(sortType);
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param.setConditions(conditions);
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Map<String, Object> sqlMap = generateSql(param);
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Map<String, Object> sqlMap = SqlGenerator.generateSql(param);
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JDBCAgent agent = new JDBCAgent();
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try {
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@@ -194,7 +194,7 @@ public class FormTableExecutor {
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param.setPageSize(pageSize);
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param.setOrderField(orderField != null ? orderField : ctx.getTableName().contains("formson") ? "sort" : null);
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param.setSortType(sortType);
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Map<String, Object> sqlMap = generateSql(param);;
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Map<String, Object> sqlMap = SqlGenerator.generateSql(param);;
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JDBCAgent agent = new JDBCAgent();
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try {
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@@ -225,7 +225,7 @@ public class FormTableExecutor {
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param.setTableName(ctx.getTableName());
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param.setConditions(conditions);
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param.setCountField(countColumn.size() > 0 ? countColumn.get(0) : null);
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Map<String, Object> sqlMap = generateSql(param);
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Map<String, Object> sqlMap = SqlGenerator.generateSql(param);
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JDBCAgent agent = new JDBCAgent();
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try {
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@@ -260,7 +260,7 @@ public class FormTableExecutor {
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param.setTableName(ctx.getTableName());
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param.setConditions(conditions);
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param.setUpdateFields(fields);
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Map<String, Object> sqlMap = generateSql(param);
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Map<String, Object> sqlMap = SqlGenerator.generateSql(param);
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JDBCAgent agent = new JDBCAgent();
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try {
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log.info("执行sql为: " + sqlMap.get("sql"));
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@@ -284,7 +284,7 @@ public class FormTableExecutor {
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param.setTableName(tableName);
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param.setConditions(conditions);
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param.setUpdateFields(fields);
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Map<String, Object> sqlMap = generateSql(param);
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Map<String, Object> sqlMap = SqlGenerator.generateSql(param);
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JDBCAgent agent = new JDBCAgent();
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try {
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log.info("执行sql为: " + sqlMap.get("sql"));
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@@ -309,7 +309,7 @@ public class FormTableExecutor {
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param.setTableName(ctx.getTableName());
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param.setConditions(conditions);
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Map<String, Object> sqlMap = generateSql(param);
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Map<String, Object> sqlMap = SqlGenerator.generateSql(param);
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JDBCAgent agent = new JDBCAgent();
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try {
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log.info("执行sql为: " + sqlMap.get("sql"));
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@@ -401,346 +401,4 @@ public class FormTableExecutor {
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return value;
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}
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private static Map<String, Object> buildCountSql(
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String countField,
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String tableName,
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List<FormWhereCondition> conditions) {
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countField = countField == null ? "*" : countField;
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StringBuilder sql = new StringBuilder("SELECT count(" + countField + ") as countnum FROM ")
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.append(tableName);
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List<Object> params = new ArrayList<>();
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sql.append(buildWhereClause(conditions, params));
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return buildResult(sql, params);
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}
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private static Map<String, Object> buildSelectSql(
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String tableName,
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List<String> queryColumns,
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List<FormWhereCondition> conditions,
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Integer limit,
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Integer offset,
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String orderField,String sortType) {
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String dbName = (String) AppContext.getCache("DATABASE_NAME");
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String orderBy = (orderField == null) ? "start_date" : orderField;
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StringBuilder sql = new StringBuilder();
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List<Object> params = new ArrayList<>();
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// ===== 1. 构建 SELECT 字段 =====
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StringBuilder selectFields = new StringBuilder();
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if (queryColumns == null || queryColumns.isEmpty()) {
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selectFields.append("*");
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} else {
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for (int i = 0; i < queryColumns.size(); i++) {
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selectFields.append(queryColumns.get(i));
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if (i < queryColumns.size() - 1) {
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selectFields.append(",");
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}
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}
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selectFields.append(",ID");
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}
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if(sortType == null) {
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sortType = "ASC";
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}
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// ===== 2. Oracle 分页特殊处理 =====
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if ("oracle".equalsIgnoreCase(dbName) && limit != null && offset != null) {
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sql.append("SELECT * FROM ( ");
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sql.append(" SELECT t.*, ROW_NUMBER() OVER (ORDER BY ")
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.append(orderBy)
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.append(" "+ sortType +") rn ");
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sql.append(" FROM ")
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.append(tableName)
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.append(" t ");
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sql.append(buildWhereClause(conditions, params));
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sql.append(" ) WHERE rn > ")
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.append(offset)
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.append(" AND rn <= ")
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.append(offset + limit);
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} else {
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// ===== 3. MySQL / SQLServer 通用逻辑 =====
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sql.append("SELECT ").append(selectFields);
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sql.append(" FROM ").append(tableName);
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sql.append(buildWhereClause(conditions, params));
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sql.append(" ORDER BY ").append(orderBy).append(" " + sortType);
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if (limit != null && offset != null) {
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if ("mysql".equalsIgnoreCase(dbName)) {
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sql.append(" LIMIT ").append(offset).append(",").append(limit);
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}
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if ("sqlserver".equalsIgnoreCase(dbName)) {
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sql.append(" OFFSET ")
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.append(offset)
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.append(" ROWS FETCH NEXT ")
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.append(limit)
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.append(" ROWS ONLY");
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}
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}
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}
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sql.append(";");
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return buildResult(sql, params);
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}
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private static Map<String, Object> buildUpdateSql(
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String tableName,
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List<FormUpdateField> fields,
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List<FormWhereCondition> conditions) {
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if (fields == null || fields.isEmpty()) {
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throw new IllegalArgumentException("Update fields cannot be empty");
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}
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if (conditions == null || conditions.isEmpty()) {
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throw new IllegalArgumentException("UPDATE must have WHERE conditions");
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}
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StringBuilder sql = new StringBuilder("UPDATE ")
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.append(tableName)
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.append(" SET ");
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List<Object> params = new ArrayList<>();
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int count = 0;
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for (FormUpdateField f : fields) {
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if (count++ > 0) {
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sql.append(", ");
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}
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if (f.getValue() instanceof String && ((String) f.getValue()).startsWith("DATE>")) {
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sql.append(f.getFieldName()).append(" = TO_DATE(?, 'YYYY-MM-DD')");
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params.add(((String) f.getValue()).substring(5));
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} else {
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sql.append(f.getFieldName()).append(" = ?");
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params.add(f.getValue());
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}
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}
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if (count == 0) {
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throw new IllegalArgumentException("No valid update fields");
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}
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sql.append(buildWhereClause(conditions, params));
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return buildResult(sql, params);
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}
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private static Map<String, Object> buildDeleteSql(
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String tableName,
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List<FormWhereCondition> conditions) {
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if (conditions == null || conditions.isEmpty()) {
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throw new IllegalArgumentException("DELETE must have WHERE conditions");
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}
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StringBuilder values = new StringBuilder();
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List<Object> params = new ArrayList<>();
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StringBuilder sql = new StringBuilder("DELETE FROM ")
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.append(tableName);
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sql.append(buildWhereClause(conditions, params));
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return buildResult(sql, params);
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}
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private static Map<String, Object> buildInsertSql(
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String tableName,
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Map<String, Object> data) {
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if (data == null || data.isEmpty()) {
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throw new IllegalArgumentException("Insert data cannot be empty");
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}
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StringBuilder columns = new StringBuilder();
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StringBuilder values = new StringBuilder();
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List<Object> params = new ArrayList<>();
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for (Map.Entry<String, Object> e : data.entrySet()) {
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if (columns.length() > 0) {
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columns.append(",");
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values.append(",");
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}
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columns.append(e.getKey());
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values.append("?");
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params.add(e.getValue());
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}
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StringBuilder sql = new StringBuilder("INSERT INTO ")
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.append(tableName)
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.append(" (")
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.append(columns)
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.append(") VALUES (")
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.append(values)
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.append(")");
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return buildResult(sql, params);
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}
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/**
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* 动态生成 WHERE 子句
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* @param conditions 条件集合
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* @param params 参数列表（引用传递）
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* @return 拼接后的 WHERE 子句（包含 WHERE 关键字）
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*/
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private static String buildWhereClause(List<FormWhereCondition> conditions, List<Object> params) {
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if (conditions == null || conditions.isEmpty()) {
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return "";
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}
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StringBuilder whereCause = new StringBuilder(" WHERE ");
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for (int i = 0; i < conditions.size(); i++) {
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FormWhereCondition c = conditions.get(i);
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// 左括号
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for (int b = 0; b < c.getStartWithBracket(); b++) {
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whereCause.append("(");
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}
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String field = c.getFieldName();
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// 字段表达式替换 如 CAST(fieldName AS DECIMAL(10,2))
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if (c.getFieldExpression() != null) {
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field = c.getFieldExpression().replace("fieldName", field);
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}
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ClauseFactor factor = c.getClauseFactor();
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// 自定义表达式优先
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if (c.getExpression() != null) {
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whereCause.append(c.getExpression());
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if (c.getValue() != null) {
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params.add(c.getValue());
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}
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if (c.getValues() != null) {
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params.addAll(c.getValues());
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}
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} else {
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String operator = parseOperator(factor);
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// NULL / NOT NULL
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if (factor.isNullType()) {
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whereCause.append(field).append(" ").append(operator);
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} else if (factor.isInType()) {
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appendInClause(whereCause, field, operator, c.getValue(), params);
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} else if (factor == ClauseFactor.FIND_IN_SET) {
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whereCause.append("FIND_IN_SET(?, ").append(field).append(")");
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params.add(c.getValue());
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} else if (factor == ClauseFactor.BETWEEN) {
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whereCause.append(field).append(" BETWEEN ? AND ?");
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params.add(c.getValue());
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params.add(c.getValues().get(0));
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} else {
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String placeholder = "?";
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// 函数模板（如 TO_DATE(?)）
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if (c.getIndex() != null) {
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placeholder = c.getIndex();
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}
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whereCause.append(field).append(" ").append(operator).append(" ").append(placeholder);
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if (ClauseFactor.LIKE.equals(factor)) {
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params.add("%" + c.getValue() + "%");
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} else {
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params.add(c.getValue());
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}
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}
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}
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// 右括号
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for (int b = 0; b < c.getEndWithBracket(); b++) {
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whereCause.append(")");
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}
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// AND / OR
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if (i < conditions.size() - 1) {
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whereCause.append(" ").append(c.getConcatFactor()).append(" ");
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}
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}
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return whereCause.toString();
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}
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private static void appendInClause(
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StringBuilder sql,
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String field,
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String operator,
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Object value,
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List<Object> params) {
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if (!(value instanceof Collection)) {
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throw new IllegalArgumentException("IN 条件的值必须是 Collection");
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}
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Collection<?> values = (Collection<?>) value;
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if (values.isEmpty()) {
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// 防止 SQL 语法错误
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sql.append("1 = 0");
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return;
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}
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sql.append(field).append(" ").append(operator).append(" (");
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int index = 0;
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for (Object v : values) {
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if (index > 0) {
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sql.append(", ");
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}
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sql.append("?");
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params.add(v);
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index++;
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}
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sql.append(")");
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}
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/**
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* 解析运算符映射（eq -> =, lt -> < 等）
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*/
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private static String parseOperator(ClauseFactor factor) {
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if(factor == null) {
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return "=";
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}
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switch (factor) {
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case EQ: return "=";
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case GT: return ">";
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case GE: return ">=";
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case LT: return "<";
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case LE: return "<=";
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case LIKE: return "LIKE";
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case FIND_IN_SET: return "FIND_IN_SET";
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case REGEXP: return "REGEXP";
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case BETWEEN: return "BETWEEN";
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case NULL: return "IS NULL"; // 空值判断
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case NOT_NULL: return "IS NOT NULL"; // 非空判断
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default: throw new UnsupportedOperationException("不支持的运算符: " + factor);
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}
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}
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private static Map<String, Object> buildResult(StringBuilder sql, List<Object> params) {
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Map<String, Object> result = new HashMap<>();
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result.put("sql", sql.toString());
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result.put("params", params);
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return result;
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}
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public static Map<String, Object> generateSql(SqlBuildParam param) {
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if (param == null || param.getSqlType() == null) {
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throw new IllegalArgumentException("SqlBuildParam or SqlType cannot be null");
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}
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switch (param.getSqlType()) {
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case COUNT:
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return buildCountSql(
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param.getCountField(),
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param.getTableName(),
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param.getConditions()
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);
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case SELECT:
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return buildSelectSql(
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param.getTableName(),
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param.getQueryColumns(),
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param.getConditions(),
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param.getLimit(),
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param.getOffset(),
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param.getOrderField(),
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param.getSortType()
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);
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case UPDATE:
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return buildUpdateSql(
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param.getTableName(),
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param.getUpdateFields(),
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param.getConditions()
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);
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case INSERT:
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return buildInsertSql(
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param.getTableName(),
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param.getInsertData()
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);
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case DELETE:
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return buildDeleteSql(
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param.getTableName(),
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param.getConditions()
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);
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default:
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throw new UnsupportedOperationException("Unsupported SqlType: " + param.getSqlType());
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}
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}
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}
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350
src/main/java/com/seeyon/utils/form/SqlGenerator.java
Normal file
350
src/main/java/com/seeyon/utils/form/SqlGenerator.java
Normal file
@@ -0,0 +1,350 @@
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package com.seeyon.utils.form;
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import com.seeyon.ctp.common.AppContext;
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import java.util.*;
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public class SqlGenerator {
|
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|
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public static Map<String, Object> generateSql(SqlBuildParam param) {
|
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|
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if (param == null || param.getSqlType() == null) {
|
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throw new IllegalArgumentException("SqlBuildParam or SqlType cannot be null");
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}
|
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|
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switch (param.getSqlType()) {
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case COUNT:
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return buildCountSql(
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param.getCountField(),
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param.getTableName(),
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param.getConditions()
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);
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case SELECT:
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return buildSelectSql(
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param.getTableName(),
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param.getQueryColumns(),
|
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param.getConditions(),
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param.getLimit(),
|
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param.getOffset(),
|
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param.getOrderField(),
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param.getSortType()
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);
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case UPDATE:
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return buildUpdateSql(
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param.getTableName(),
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param.getUpdateFields(),
|
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param.getConditions()
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);
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case INSERT:
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return buildInsertSql(
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param.getTableName(),
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param.getInsertData()
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);
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case DELETE:
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return buildDeleteSql(
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param.getTableName(),
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param.getConditions()
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);
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default:
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throw new UnsupportedOperationException("Unsupported SqlType: " + param.getSqlType());
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}
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}
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|
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private static Map<String, Object> buildCountSql(
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String countField,
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String tableName,
|
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List<FormWhereCondition> conditions) {
|
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countField = countField == null ? "*" : countField;
|
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StringBuilder sql = new StringBuilder("SELECT count(" + countField + ") as countnum FROM ")
|
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.append(tableName);
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|
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List<Object> params = new ArrayList<>();
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sql.append(buildWhereClause(conditions, params));
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return buildResult(sql, params);
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}
|
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|
||||
private static Map<String, Object> buildSelectSql(
|
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String tableName,
|
||||
List<String> queryColumns,
|
||||
List<FormWhereCondition> conditions,
|
||||
Integer limit,
|
||||
Integer offset,
|
||||
String orderField, String sortType) {
|
||||
String dbName = (String) AppContext.getCache("DATABASE_NAME");
|
||||
String orderBy = (orderField == null) ? "start_date" : orderField;
|
||||
StringBuilder sql = new StringBuilder();
|
||||
List<Object> params = new ArrayList<>();
|
||||
// ===== 1. 构建 SELECT 字段 =====
|
||||
StringBuilder selectFields = new StringBuilder();
|
||||
if (queryColumns == null || queryColumns.isEmpty()) {
|
||||
selectFields.append("*");
|
||||
} else {
|
||||
for (int i = 0; i < queryColumns.size(); i++) {
|
||||
selectFields.append(queryColumns.get(i));
|
||||
if (i < queryColumns.size() - 1) {
|
||||
selectFields.append(",");
|
||||
}
|
||||
}
|
||||
selectFields.append(",ID");
|
||||
}
|
||||
if (sortType == null) {
|
||||
sortType = "ASC";
|
||||
}
|
||||
// ===== 2. Oracle 分页特殊处理 =====
|
||||
if ("oracle".equalsIgnoreCase(dbName) && limit != null && offset != null) {
|
||||
sql.append("SELECT * FROM ( ");
|
||||
sql.append(" SELECT t.*, ROW_NUMBER() OVER (ORDER BY ")
|
||||
.append(orderBy)
|
||||
.append(" " + sortType + ") rn ");
|
||||
sql.append(" FROM ")
|
||||
.append(tableName)
|
||||
.append(" t ");
|
||||
sql.append(buildWhereClause(conditions, params));
|
||||
sql.append(" ) WHERE rn > ")
|
||||
.append(offset)
|
||||
.append(" AND rn <= ")
|
||||
.append(offset + limit);
|
||||
} else {
|
||||
// ===== 3. MySQL / SQLServer 通用逻辑 =====
|
||||
sql.append("SELECT ").append(selectFields);
|
||||
sql.append(" FROM ").append(tableName);
|
||||
sql.append(buildWhereClause(conditions, params));
|
||||
sql.append(" ORDER BY ").append(orderBy).append(" " + sortType);
|
||||
if (limit != null && offset != null) {
|
||||
if ("mysql".equalsIgnoreCase(dbName)) {
|
||||
sql.append(" LIMIT ").append(offset).append(",").append(limit);
|
||||
}
|
||||
if ("sqlserver".equalsIgnoreCase(dbName)) {
|
||||
sql.append(" OFFSET ")
|
||||
.append(offset)
|
||||
.append(" ROWS FETCH NEXT ")
|
||||
.append(limit)
|
||||
.append(" ROWS ONLY");
|
||||
}
|
||||
}
|
||||
}
|
||||
sql.append(";");
|
||||
return buildResult(sql, params);
|
||||
}
|
||||
|
||||
private static Map<String, Object> buildUpdateSql(
|
||||
String tableName,
|
||||
List<FormUpdateField> fields,
|
||||
List<FormWhereCondition> conditions) {
|
||||
|
||||
if (fields == null || fields.isEmpty()) {
|
||||
throw new IllegalArgumentException("Update fields cannot be empty");
|
||||
}
|
||||
if (conditions == null || conditions.isEmpty()) {
|
||||
throw new IllegalArgumentException("UPDATE must have WHERE conditions");
|
||||
}
|
||||
|
||||
StringBuilder sql = new StringBuilder("UPDATE ")
|
||||
.append(tableName)
|
||||
.append(" SET ");
|
||||
|
||||
List<Object> params = new ArrayList<>();
|
||||
int count = 0;
|
||||
|
||||
for (FormUpdateField f : fields) {
|
||||
if (count++ > 0) {
|
||||
sql.append(", ");
|
||||
}
|
||||
if (f.getValue() instanceof String && ((String) f.getValue()).startsWith("DATE>")) {
|
||||
sql.append(f.getFieldName()).append(" = TO_DATE(?, 'YYYY-MM-DD')");
|
||||
params.add(((String) f.getValue()).substring(5));
|
||||
} else {
|
||||
sql.append(f.getFieldName()).append(" = ?");
|
||||
params.add(f.getValue());
|
||||
}
|
||||
}
|
||||
|
||||
if (count == 0) {
|
||||
throw new IllegalArgumentException("No valid update fields");
|
||||
}
|
||||
|
||||
sql.append(buildWhereClause(conditions, params));
|
||||
return buildResult(sql, params);
|
||||
}
|
||||
|
||||
private static Map<String, Object> buildDeleteSql(
|
||||
String tableName,
|
||||
List<FormWhereCondition> conditions) {
|
||||
|
||||
if (conditions == null || conditions.isEmpty()) {
|
||||
throw new IllegalArgumentException("DELETE must have WHERE conditions");
|
||||
}
|
||||
|
||||
List<Object> params = new ArrayList<>();
|
||||
|
||||
StringBuilder sql = new StringBuilder("DELETE FROM ")
|
||||
.append(tableName);
|
||||
|
||||
sql.append(buildWhereClause(conditions, params));
|
||||
return buildResult(sql, params);
|
||||
}
|
||||
|
||||
private static Map<String, Object> buildInsertSql(
|
||||
String tableName,
|
||||
Map<String, Object> data) {
|
||||
|
||||
if (data == null || data.isEmpty()) {
|
||||
throw new IllegalArgumentException("Insert data cannot be empty");
|
||||
}
|
||||
|
||||
StringBuilder columns = new StringBuilder();
|
||||
StringBuilder values = new StringBuilder();
|
||||
List<Object> params = new ArrayList<>();
|
||||
|
||||
for (Map.Entry<String, Object> e : data.entrySet()) {
|
||||
if (columns.length() > 0) {
|
||||
columns.append(",");
|
||||
values.append(",");
|
||||
}
|
||||
columns.append(e.getKey());
|
||||
values.append("?");
|
||||
params.add(e.getValue());
|
||||
}
|
||||
|
||||
StringBuilder sql = new StringBuilder("INSERT INTO ")
|
||||
.append(tableName)
|
||||
.append(" (")
|
||||
.append(columns)
|
||||
.append(") VALUES (")
|
||||
.append(values)
|
||||
.append(")");
|
||||
|
||||
return buildResult(sql, params);
|
||||
}
|
||||
|
||||
/**
|
||||
* 动态生成 WHERE 子句
|
||||
* @param conditions 条件集合
|
||||
* @param params 参数列表（引用传递）
|
||||
* @return 拼接后的 WHERE 子句（包含 WHERE 关键字）
|
||||
*/
|
||||
static String buildWhereClause(List<FormWhereCondition> conditions, List<Object> params) {
|
||||
if (conditions == null || conditions.isEmpty()) {
|
||||
return "";
|
||||
}
|
||||
StringBuilder whereCause = new StringBuilder(" WHERE ");
|
||||
for (int i = 0; i < conditions.size(); i++) {
|
||||
FormWhereCondition c = conditions.get(i);
|
||||
// 左括号
|
||||
for (int b = 0; b < c.getStartWithBracket(); b++) {
|
||||
whereCause.append("(");
|
||||
}
|
||||
String field = c.getFieldName();
|
||||
// 字段表达式替换 如 CAST(fieldName AS DECIMAL(10,2))
|
||||
if (c.getFieldExpression() != null) {
|
||||
field = c.getFieldExpression().replace("fieldName", field);
|
||||
}
|
||||
ClauseFactor factor = c.getClauseFactor();
|
||||
// 自定义表达式优先
|
||||
if (c.getExpression() != null) {
|
||||
whereCause.append(c.getExpression());
|
||||
if (c.getValue() != null) {
|
||||
params.add(c.getValue());
|
||||
}
|
||||
if (c.getValues() != null) {
|
||||
params.addAll(c.getValues());
|
||||
}
|
||||
} else {
|
||||
String operator = parseOperator(factor);
|
||||
// NULL / NOT NULL
|
||||
if (factor.isNullType()) {
|
||||
whereCause.append(field).append(" ").append(operator);
|
||||
} else if (factor.isInType()) {
|
||||
appendInClause(whereCause, field, operator, c.getValue(), params);
|
||||
} else if (factor == ClauseFactor.FIND_IN_SET) {
|
||||
whereCause.append("FIND_IN_SET(?, ").append(field).append(")");
|
||||
params.add(c.getValue());
|
||||
} else if (factor == ClauseFactor.BETWEEN) {
|
||||
whereCause.append(field).append(" BETWEEN ? AND ?");
|
||||
params.add(c.getValue());
|
||||
params.add(c.getValues().get(0));
|
||||
} else {
|
||||
String placeholder = "?";
|
||||
// 函数模板（如 TO_DATE(?)）
|
||||
if (c.getIndex() != null) {
|
||||
placeholder = c.getIndex();
|
||||
}
|
||||
whereCause.append(field).append(" ").append(operator).append(" ").append(placeholder);
|
||||
if (ClauseFactor.LIKE.equals(factor)) {
|
||||
params.add("%" + c.getValue() + "%");
|
||||
} else {
|
||||
params.add(c.getValue());
|
||||
}
|
||||
}
|
||||
}
|
||||
// 右括号
|
||||
for (int b = 0; b < c.getEndWithBracket(); b++) {
|
||||
whereCause.append(")");
|
||||
}
|
||||
// AND / OR
|
||||
if (i < conditions.size() - 1) {
|
||||
whereCause.append(" ").append(c.getConcatFactor()).append(" ");
|
||||
}
|
||||
}
|
||||
return whereCause.toString();
|
||||
}
|
||||
|
||||
private static void appendInClause(
|
||||
StringBuilder sql,
|
||||
String field,
|
||||
String operator,
|
||||
Object value,
|
||||
List<Object> params) {
|
||||
if (!(value instanceof Collection)) {
|
||||
throw new IllegalArgumentException("IN 条件的值必须是 Collection");
|
||||
}
|
||||
Collection<?> values = (Collection<?>) value;
|
||||
if (values.isEmpty()) {
|
||||
// 防止 SQL 语法错误
|
||||
sql.append("1 = 0");
|
||||
return;
|
||||
}
|
||||
sql.append(field).append(" ").append(operator).append(" (");
|
||||
int index = 0;
|
||||
for (Object v : values) {
|
||||
if (index > 0) {
|
||||
sql.append(", ");
|
||||
}
|
||||
sql.append("?");
|
||||
params.add(v);
|
||||
index++;
|
||||
}
|
||||
sql.append(")");
|
||||
}
|
||||
|
||||
/**
|
||||
* 解析运算符映射（eq -> =, lt -> < 等）
|
||||
*/
|
||||
private static String parseOperator(ClauseFactor factor) {
|
||||
if (factor == null) {
|
||||
return "=";
|
||||
}
|
||||
switch (factor) {
|
||||
case EQ: return "=";
|
||||
case GT: return ">";
|
||||
case GE: return ">=";
|
||||
case LT: return "<";
|
||||
case LE: return "<=";
|
||||
case LIKE: return "LIKE";
|
||||
case FIND_IN_SET: return "FIND_IN_SET";
|
||||
case REGEXP: return "REGEXP";
|
||||
case BETWEEN: return "BETWEEN";
|
||||
case NULL: return "IS NULL";
|
||||
case NOT_NULL: return "IS NOT NULL";
|
||||
default: throw new UnsupportedOperationException("不支持的运算符: " + factor);
|
||||
}
|
||||
}
|
||||
|
||||
private static Map<String, Object> buildResult(StringBuilder sql, List<Object> params) {
|
||||
Map<String, Object> result = new HashMap<>();
|
||||
result.put("sql", sql.toString());
|
||||
result.put("params", params);
|
||||
return result;
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user