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5 Commits

Author SHA1 Message Date
31ae90f480 更新 2026-07-08 09:30:00 +08:00
0a941e1a8a 更新 2026-07-06 10:40:09 +08:00
98250fca47 优化 2026-06-18 09:20:32 +08:00
717eb5fbad 优化代码 2026-06-15 22:33:16 +08:00
61200a3a77 优化代码 2026-06-15 22:32:59 +08:00
11 changed files with 364 additions and 18 deletions

View File

@@ -22,6 +22,7 @@
<bean id="esignCallbackFlowBizService" class="com.seeyon.apps.esign.service.EsignCallbackFlowBizService"/> <bean id="esignCallbackFlowBizService" class="com.seeyon.apps.esign.service.EsignCallbackFlowBizService"/>
<!-- 注入数组类型的Bean --> <!-- 注入数组类型的Bean -->
<bean id="esignPluginApi" class="com.seeyon.apps.esign.EsignPluginApi"/> <bean id="esignPluginApi" class="com.seeyon.apps.esign.EsignPluginApi"/>
<bean id="a4CheckNode" class="com.seeyon.apps.esign.node.A4CheckNode" />
<bean name="contractCreateService" class="com.seeyon.apps.esign.service.ContractCreateService"> <bean name="contractCreateService" class="com.seeyon.apps.esign.service.ContractCreateService">
<property name="signParamBuildFactories"> <property name="signParamBuildFactories">
<list> <list>

View File

@@ -21,7 +21,8 @@ public enum EsignConfigConstants {
ESIGN_APP_SECRETMAP("325c8cc6c2a303d6cf1fb5657a16e591","e签宝appIDSecret映射"), ESIGN_APP_SECRETMAP("325c8cc6c2a303d6cf1fb5657a16e591","e签宝appIDSecret映射"),
ENABLEANTIFAKESIGN("","是否加盖防伪章"), ENABLEANTIFAKESIGN("","是否加盖防伪章"),
FIXAPPUNIT("true","是否固定要用的E签宝应用主体单位"), FIXAPPUNIT("true","是否固定要用的E签宝应用主体单位"),
FIXAPPUNITNAME("","固定要用的E签宝应用主体单位名称") FIXAPPUNITNAME("","固定要用的E签宝应用主体单位名称"),
SIGNPARAM_LOG_URL("","E签宝参数记录路径"),
; ;
private String defaultValue; private String defaultValue;

View File

@@ -10,11 +10,11 @@ import java.util.Map;
public class EsignParamRecordUtils { public class EsignParamRecordUtils {
public static void saveEsignParamRecord(Map<String,Object> params) { public static void saveEsignParamRecord(String logFileUrl,Map<String,Object> params) {
try { try {
String str = "/home/seeyon/Seeyon/A8/ApacheJetspeed/logs_sy"; String str = logFileUrl;
String date = DateUtil.format(new Date(), "yyyyMMddHHmmss"); String date = DateUtil.format(new Date(), "yyyyMMddHHmmss");
FileUtils.writeStringToFile(new File(str+"/esignParams/" + date + ".json"), JsonUtils.toJSONString(params), "UTF-8"); FileUtils.writeStringToFile(new File(str+ File.separator + "esignParams" + File.separator + date + ".json"), JsonUtils.toJSONString(params), "UTF-8");
}catch (Exception e){ }catch (Exception e){
} }

View File

@@ -0,0 +1,92 @@
package com.seeyon.apps.esign.node;
import com.seeyon.apps.common.workflow.node.ACommonSuperNode;
import com.seeyon.apps.esign.constants.EsignConfigConstants;
import com.seeyon.apps.esign.constants.FlowFormFieldConstants;
import com.seeyon.apps.esign.utils.DocumentA4Checker;
import com.seeyon.apps.esign.utils.FileUtil;
import com.seeyon.apps.ext.workflow.vo.FieldDataVo;
import com.seeyon.apps.ext.workflow.vo.FormDataVo;
import com.seeyon.apps.ext.workflow.vo.SuperNodeContext;
import com.seeyon.cap4.form.bean.FormDataMasterBean;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import java.io.File;
import java.io.FileInputStream;
import java.util.List;
public class A4CheckNode extends ACommonSuperNode {
private static final Log log = LogFactory.getLog(A4CheckNode.class);
@Override
public String getPluginId() {
return EsignConfigConstants.getPluginId();
}
@Override
public String getFormParse() {
return "";
}
@Override
public SuperNodeContext proceed(String s, FormDataVo formDataVo, FormDataMasterBean formDataMasterBean) throws Exception {
SuperNodeContext context = new SuperNodeContext();
context.setNeedSave(true);
log.info("进入文件A4格式校验超级节点");
try {
FieldDataVo fieldData = formDataVo.getFieldData(FlowFormFieldConstants.CONTRACT_APPROVAL_ATTACHMENT);
String attachmentId = fieldData.getStringValue();
if (attachmentId == null) throw new RuntimeException("合同文件不能为空");
String tempDir = System.getProperty("java.io.tmpdir");
File file = null;
FileUtil fileUtil = new FileUtil();
List<String> paths = fileUtil.fieldFileDownload(Long.parseLong(attachmentId), tempDir + File.separator + "oafile" + File.separator);
for (String path : paths) {
file = new File(path);
try {
String fileName = file.getName().toLowerCase();
// 检测 docx 批注/痕迹会导致转PDF后页面撑大不再是A4
if (fileName.endsWith(".docx") || fileName.endsWith(".doc")) {
try (FileInputStream fis = new FileInputStream(file)) {
if (DocumentA4Checker.hasCommentsOrTrackChanges(fis)) {
String errMsg = "上传的附件" + file.getName() + "包含批注或修订痕迹,请清除后再上传";
formDataVo.getNewFieldDataMap().put("合同审批附件格式校验结果", errMsg);
return context.back(errMsg);
}
}
}
boolean firstPageA4 = DocumentA4Checker.isFirstPageA4(file);
if (!firstPageA4) {
String errMsg = "上传的附件中" + file.getName() + "非标准A4格式的请修改后再上传(标准A4为210:297)";
formDataVo.getNewFieldDataMap().put("合同审批附件格式校验结果", errMsg);
return context.back(errMsg);
}
formDataVo.getNewFieldDataMap().put("合同审批附件格式校验结果", "");
} finally {
file.delete();
}
}
return context.success("文件A4格式校验通过");
} catch (Exception e) {
log.error("校验产生错误", e);
e.printStackTrace();
context.setErrMsg("校验产生错误: " + e.getMessage());
return context.back("校验产生错误: " + e.getMessage());
}
}
@Override
public String getNodeId() {
return "nd_20260512";
}
@Override
public String getNodeName() {
return "A4格式校验节点";
}
}

View File

@@ -23,6 +23,7 @@ import com.seeyon.ctp.organization.bo.V3xOrgMember;
import com.seeyon.ctp.organization.manager.OrgManager; import com.seeyon.ctp.organization.manager.OrgManager;
import com.seeyon.ctp.util.JDBCAgent; import com.seeyon.ctp.util.JDBCAgent;
import com.seeyon.utils.form.*; import com.seeyon.utils.form.*;
import groovy.sql.Sql;
import org.apache.commons.logging.Log; import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory; import org.apache.commons.logging.LogFactory;
@@ -116,7 +117,7 @@ public class EsignAntiFakeSignNode extends ACommonSuperNode {
param.setPageSize(1); param.setPageSize(1);
param.setOrderField("UPDATE_DATE"); param.setOrderField("UPDATE_DATE");
param.setSortType("DESC"); param.setSortType("DESC");
Map<String, Object> sqlMap = FormTableExecutor.generateSql(param); Map<String, Object> sqlMap = SqlGenerator.generateSql(param);
JDBCAgent agent = new JDBCAgent(); JDBCAgent agent = new JDBCAgent();
try { try {
agent.execute((String)sqlMap.get("sql"), (List)sqlMap.get("params")); agent.execute((String)sqlMap.get("sql"), (List)sqlMap.get("params"));

View File

@@ -121,7 +121,7 @@ public class EsignMultipleSignerNode extends ACommonSuperNode {
aParty.setPartyId("甲方"); aParty.setPartyId("甲方");
aParty.setSignOrder(2); aParty.setSignOrder(2);
aParty.setSignerType(SignerType.ORG); aParty.setSignerType(SignerType.ORG);
aParty.setSealId(getStringField(formDataVo,"选择甲方印章")); aParty.setSealId(getStringField(formDataVo,"甲方印章ID"));
aParty.setAutoSign(doAutoSign); aParty.setAutoSign(doAutoSign);
OrgInfo orgInfo = new OrgInfo(); OrgInfo orgInfo = new OrgInfo();
aParty.setOrgInfo(orgInfo); aParty.setOrgInfo(orgInfo);
@@ -169,7 +169,7 @@ public class EsignMultipleSignerNode extends ACommonSuperNode {
}else { }else {
OrgInfo bOrgInfo = new OrgInfo(); OrgInfo bOrgInfo = new OrgInfo();
bOrgInfo.setLegalName(getStringField(formDataVo,"乙方法人姓名")); bOrgInfo.setLegalName(getStringField(formDataVo,"乙方法人姓名"));
bOrgInfo.setOrgName(getStringField(formDataVo,"乙方单位名称")); bOrgInfo.setOrgName(getStringField(formDataVo,"乙方名称"));
bOrgInfo.setOrgCode(getStringField(formDataVo,"乙方统一社会信用代码")); bOrgInfo.setOrgCode(getStringField(formDataVo,"乙方统一社会信用代码"));
bOrgInfo.setLegalIdCardNo(getStringField(formDataVo,"乙方法人身份证号")); bOrgInfo.setLegalIdCardNo(getStringField(formDataVo,"乙方法人身份证号"));
PersonInfo transactor = new PersonInfo(); PersonInfo transactor = new PersonInfo();
@@ -203,7 +203,7 @@ public class EsignMultipleSignerNode extends ACommonSuperNode {
param.setPageSize(1); param.setPageSize(1);
param.setOrderField("UPDATE_DATE"); param.setOrderField("UPDATE_DATE");
param.setSortType("DESC"); param.setSortType("DESC");
Map<String, Object> sqlMap = FormTableExecutor.generateSql(param); Map<String, Object> sqlMap = SqlGenerator.generateSql(param);
JDBCAgent agent = new JDBCAgent(); JDBCAgent agent = new JDBCAgent();
try { try {
agent.execute((String)sqlMap.get("sql"), (List)sqlMap.get("params")); agent.execute((String)sqlMap.get("sql"), (List)sqlMap.get("params"));

View File

@@ -129,7 +129,7 @@ public class EsignOneSignerNode extends ACommonSuperNode {
aParty.setSignOrder(2); aParty.setSignOrder(2);
aParty.setSignerType(SignerType.ORG); aParty.setSignerType(SignerType.ORG);
aParty.setAutoSign(doAutoSign); aParty.setAutoSign(doAutoSign);
aParty.setSealId(getStringField(formDataVo,"选择甲方印章")); aParty.setSealId(getStringField(formDataVo,"甲方印章ID"));
OrgInfo orgInfo = new OrgInfo(); OrgInfo orgInfo = new OrgInfo();
orgInfo.setOrgName(orgName); orgInfo.setOrgName(orgName);
aParty.setOrgInfo(orgInfo); aParty.setOrgInfo(orgInfo);
@@ -174,7 +174,7 @@ public class EsignOneSignerNode extends ACommonSuperNode {
}else { }else {
OrgInfo bOrgInfo = new OrgInfo(); OrgInfo bOrgInfo = new OrgInfo();
bOrgInfo.setLegalName(getStringField(formDataVo,"乙方法人姓名")); bOrgInfo.setLegalName(getStringField(formDataVo,"乙方法人姓名"));
bOrgInfo.setOrgName(getStringField(formDataVo,"乙方单位名称")); bOrgInfo.setOrgName(getStringField(formDataVo,"乙方名称"));
bOrgInfo.setOrgCode(getStringField(formDataVo,"乙方统一社会信用代码")); bOrgInfo.setOrgCode(getStringField(formDataVo,"乙方统一社会信用代码"));
bOrgInfo.setLegalIdCardNo(getStringField(formDataVo,"乙方法人身份证号")); bOrgInfo.setLegalIdCardNo(getStringField(formDataVo,"乙方法人身份证号"));
PersonInfo transactor = new PersonInfo(); PersonInfo transactor = new PersonInfo();
@@ -208,7 +208,7 @@ public class EsignOneSignerNode extends ACommonSuperNode {
param.setPageSize(1); param.setPageSize(1);
param.setOrderField("UPDATE_DATE"); param.setOrderField("UPDATE_DATE");
param.setSortType("DESC"); param.setSortType("DESC");
Map<String, Object> sqlMap = FormTableExecutor.generateSql(param); Map<String, Object> sqlMap = SqlGenerator.generateSql(param);
JDBCAgent agent = new JDBCAgent(); JDBCAgent agent = new JDBCAgent();
try { try {
agent.execute((String)sqlMap.get("sql"), (List)sqlMap.get("params")); agent.execute((String)sqlMap.get("sql"), (List)sqlMap.get("params"));

View File

@@ -321,7 +321,7 @@ public class DefaultSignerBuilder implements SignerBuilder {
} }
/** /**
* 查询文件总页数 * 查询文件总页数查询失败或页数为0时返回默认值10
*/ */
private Integer getFileTotalPage(String fileId, String appId) { private Integer getFileTotalPage(String fileId, String appId) {
try { try {
@@ -336,14 +336,18 @@ public class DefaultSignerBuilder implements SignerBuilder {
EsignBaseResp resp = JsonUtils.parseObject(respStr, EsignBaseResp.class); EsignBaseResp resp = JsonUtils.parseObject(respStr, EsignBaseResp.class);
if (!"0".equals(String.valueOf(resp.getCode()))) { if (!"0".equals(String.valueOf(resp.getCode()))) {
throw new RuntimeException("查询文件上传状态失败:" + resp.getMessage()); return 0;
} }
Map<String, Object> data = (Map<String, Object>) resp.getData(); Map<String, Object> data = (Map<String, Object>) resp.getData();
Object pageCount = data.get("fileTotalPageCount"); Object pageCount = data.get("fileTotalPageCount");
return pageCount == null ? 10 : Integer.parseInt(String.valueOf(pageCount)); if (pageCount == null) {
return 0;
}
int pages = Integer.parseInt(String.valueOf(pageCount));
return pages > 0 ? pages : 0;
} catch (Exception e) { } catch (Exception e) {
throw new RuntimeException("获取文件页数异常", e); return 0;
} }
} }

View File

@@ -1,6 +1,5 @@
package com.seeyon.apps.esign.po.signer; package com.seeyon.apps.esign.po.signer;
import com.seeyon.apps.esign.config.EsignConfigProvider;
import com.seeyon.apps.esign.po.signfield.NormalSignFieldConfig; import com.seeyon.apps.esign.po.signfield.NormalSignFieldConfig;
import com.seeyon.apps.esign.po.signfield.SignField; import com.seeyon.apps.esign.po.signfield.SignField;
import com.seeyon.apps.esign.po.signfield.SignFieldPosition; import com.seeyon.apps.esign.po.signfield.SignFieldPosition;
@@ -13,8 +12,6 @@ import java.util.Map;
public class JsonSignerBuilder implements SignerBuilder{ public class JsonSignerBuilder implements SignerBuilder{
private EsignConfigProvider esignConfigProvider = EsignConfigProvider.getInstance();
@Override @Override
public Signer build(List<String> fileIds, List<Object> keywordPos, SignParty party,String appId) { public Signer build(List<String> fileIds, List<Object> keywordPos, SignParty party,String appId) {
if (party.getSignerType() == SignerType.PERSON) { if (party.getSignerType() == SignerType.PERSON) {

View File

@@ -4,6 +4,7 @@ import com.seeyon.aicloud.common.JsonUtils;
import com.seeyon.apps.esign.config.EsignConfigProvider; import com.seeyon.apps.esign.config.EsignConfigProvider;
import com.seeyon.apps.esign.constants.EsignApiUrl; import com.seeyon.apps.esign.constants.EsignApiUrl;
import com.seeyon.apps.esign.constants.EsignConfigConstants; import com.seeyon.apps.esign.constants.EsignConfigConstants;
import com.seeyon.apps.esign.logfile.EsignParamRecordUtils;
import com.seeyon.apps.esign.po.esignapi.EsignApiHeader; import com.seeyon.apps.esign.po.esignapi.EsignApiHeader;
import com.seeyon.apps.esign.po.esignapi.EsignBaseResp; import com.seeyon.apps.esign.po.esignapi.EsignBaseResp;
import com.seeyon.apps.esign.utils.HttpClient; import com.seeyon.apps.esign.utils.HttpClient;
@@ -42,6 +43,7 @@ public class EsignByTemplateService {
esignApiHeader.token(tokenCacheManager.getToken(appId)).appId(appId); esignApiHeader.token(tokenCacheManager.getToken(appId)).appId(appId);
String url = configProvider.getBizConfigByKey(EsignConfigConstants.ESIGN_HOST) + EsignApiUrl.SIGN_BY_FILE_URL; String url = configProvider.getBizConfigByKey(EsignConfigConstants.ESIGN_HOST) + EsignApiUrl.SIGN_BY_FILE_URL;
log.info("合同发起入参: " + jsonBody); log.info("合同发起入参: " + jsonBody);
EsignParamRecordUtils.saveEsignParamRecord(configProvider.getBizConfigByKey(EsignConfigConstants.SIGNPARAM_LOG_URL),params);
String respStr = HttpClient.httpPostRaw(url, jsonBody, esignApiHeader.convert2Headers(), "UTF-8"); String respStr = HttpClient.httpPostRaw(url, jsonBody, esignApiHeader.convert2Headers(), "UTF-8");
EsignBaseResp esignBaseResp = JsonUtils.parseObject(respStr, EsignBaseResp.class); EsignBaseResp esignBaseResp = JsonUtils.parseObject(respStr, EsignBaseResp.class);
Map<String,Object> dataMap = (Map<String, Object>) esignBaseResp.getData(); Map<String,Object> dataMap = (Map<String, Object>) esignBaseResp.getData();

View File

@@ -0,0 +1,248 @@
package com.seeyon.apps.esign.utils;
import org.apache.pdfbox.pdmodel.PDDocument;
import org.apache.pdfbox.pdmodel.PDPage;
import org.apache.poi.hwpf.HWPFDocument;
import org.apache.poi.hwpf.usermodel.Section;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import javax.xml.parsers.DocumentBuilderFactory;
import java.io.*;
import java.util.Optional;
import java.util.zip.ZipEntry;
import java.util.zip.ZipInputStream;
public class DocumentA4Checker {
// A4标准磅值 宽595 高842允许误差5pt
private static final float A4_WIDTH = 595.0f;
private static final float A4_HEIGHT = 842.0f;
private static final float TOLERANCE = 5.0f;
// twips 转 pt /20
private static final float TWIPS_TO_PT = 20.0f;
public static boolean isFirstPageA4(File file) {
if (file == null || !file.exists() || !file.isFile()) {
return false;
}
String fileName = Optional.ofNullable(file.getName()).orElse("");
String suffix = getFileSuffix(fileName).toLowerCase();
try {
switch (suffix) {
case "pdf":
try (InputStream in = new FileInputStream(file)) {
return checkPdfFirstPageA4(in);
}
case "doc":
// 先尝试 doc 解析,若文件实际为 OOXML 则回退到 docx
try (InputStream in = new FileInputStream(file)) {
return checkDocFirstPageA4(in);
} catch (IllegalArgumentException e) {
try (InputStream in = new FileInputStream(file)) {
return isDocxA4Portrait(in);
}
}
case "docx":
try (InputStream in = new FileInputStream(file)) {
return isDocxA4Portrait(in);
}
default:
return false;
}
} catch (Exception e) {
e.printStackTrace();
return false;
}
}
/**
* 校验 PDF 第一页是否竖版 A4
*/
private static boolean checkPdfFirstPageA4(InputStream in) throws Exception {
try (PDDocument document = PDDocument.load(in)) {
if (document.getNumberOfPages() == 0) return false;
PDPage page = document.getPage(0);
float w = page.getMediaBox().getWidth();
float h = page.getMediaBox().getHeight();
return Math.abs(w - A4_WIDTH) <= TOLERANCE
&& Math.abs(h - A4_HEIGHT) <= TOLERANCE;
}
}
/**
* 校验 doc 第一页是否竖版 A4
*/
private static boolean checkDocFirstPageA4(InputStream in) throws Exception {
try (HWPFDocument doc = new HWPFDocument(in)) {
Section section = doc.getRange().getSection(0);
int widthTwips = section.getPageWidth();
int heightTwips = section.getPageHeight();
float widthPt = widthTwips / 20f;
float heightPt = heightTwips / 20f;
return Math.abs(widthPt - A4_WIDTH) <= TOLERANCE
&& Math.abs(heightPt - A4_HEIGHT) <= TOLERANCE;
}
}
/**
* 检测 docx 中是否包含批注或修订痕迹
* 批注word/comments.xml
* 痕迹document.xml 中的 w:ins / w:del / w:delText / w:moveFrom / w:moveTo
*/
public static boolean hasCommentsOrTrackChanges(InputStream in) {
try {
byte[] docXmlBytes = null;
boolean hasComments = false;
try (ZipInputStream zis = new ZipInputStream(in)) {
ZipEntry entry;
while ((entry = zis.getNextEntry()) != null) {
if ("word/comments.xml".equals(entry.getName())) {
hasComments = true;
}
if ("word/document.xml".equals(entry.getName())) {
ByteArrayOutputStream bos = new ByteArrayOutputStream();
byte[] buf = new byte[4096];
int len;
while ((len = zis.read(buf)) != -1) {
bos.write(buf, 0, len);
}
docXmlBytes = bos.toByteArray();
}
}
}
if (hasComments) {
return true;
}
// 解析 document.xml 检测修订痕迹
if (docXmlBytes != null) {
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
Document doc = factory.newDocumentBuilder()
.parse(new ByteArrayInputStream(docXmlBytes));
return hasTrackChanges(doc.getDocumentElement());
}
} catch (Exception e) {
// 读取失败不拦截
}
return false;
}
/**
* 递归检测 XML 树中是否包含修订痕迹元素
*/
private static boolean hasTrackChanges(Node node) {
if (node.getNodeType() == Node.ELEMENT_NODE) {
String name = node.getNodeName();
if ("w:ins".equals(name) || "w:del".equals(name) || "w:delText".equals(name)
|| "w:moveFrom".equals(name) || "w:moveTo".equals(name)) {
return true;
}
}
NodeList children = node.getChildNodes();
for (int i = 0; i < children.getLength(); i++) {
if (hasTrackChanges(children.item(i))) {
return true;
}
}
return false;
}
/**
* 校验 docx 第一页是否竖版 A4
* 直接读取 ZIP 中的 word/document.xml不依赖 POI ooxml 模块
*/
public static boolean isDocxA4Portrait(InputStream in) {
try {
byte[] docXml = extractDocXml(in);
if (docXml == null) {
return false;
}
// 不启用 namespace-aware元素名带 w: 前缀(如 w:pgSz
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
Document doc = factory.newDocumentBuilder()
.parse(new ByteArrayInputStream(docXml));
// 递归搜索 w:pgSz 元素sectPr 下的页面尺寸定义)
Element pgSz = findElement(doc.getDocumentElement(), "w:pgSz");
if (pgSz == null) {
return false;
}
String orient = pgSz.getAttribute("w:orient");
if ("landscape".equalsIgnoreCase(orient)) {
return false;
}
String wStr = pgSz.getAttribute("w:w");
String hStr = pgSz.getAttribute("w:h");
if (wStr == null || wStr.isEmpty() || hStr == null || hStr.isEmpty()) {
return false;
}
float wPt = Long.parseLong(wStr) / TWIPS_TO_PT;
float hPt = Long.parseLong(hStr) / TWIPS_TO_PT;
return Math.abs(wPt - A4_WIDTH) <= TOLERANCE
&& Math.abs(hPt - A4_HEIGHT) <= TOLERANCE;
} catch (Exception e) {
e.printStackTrace();
return false;
}
}
/**
* 从 docx ZIP 中提取 word/document.xml 的字节内容
*/
private static byte[] extractDocXml(InputStream in) throws IOException {
try (ZipInputStream zis = new ZipInputStream(in)) {
ZipEntry entry;
while ((entry = zis.getNextEntry()) != null) {
if ("word/document.xml".equals(entry.getName())) {
ByteArrayOutputStream bos = new ByteArrayOutputStream();
byte[] buf = new byte[4096];
int len;
while ((len = zis.read(buf)) != -1) {
bos.write(buf, 0, len);
}
return bos.toByteArray();
}
}
}
return null;
}
/**
* 递归查找指定 tagName 的元素
*/
private static Element findElement(Node node, String tagName) {
if (node.getNodeType() == Node.ELEMENT_NODE && tagName.equals(node.getNodeName())) {
return (Element) node;
}
NodeList children = node.getChildNodes();
for (int i = 0; i < children.getLength(); i++) {
Element result = findElement(children.item(i), tagName);
if (result != null) {
return result;
}
}
return null;
}
private static String getFileSuffix(String fileName) {
int idx = fileName.lastIndexOf('.');
return idx == -1 ? "" : fileName.substring(idx + 1);
}
}