发票xml下载，xml中文乱码问题修复

yudao-module-accounting/yudao-module-accounting-biz/pom.xml

@@ -90,6 +90,12 @@
             <version>1.7.3-snapshot</version>
             <scope>compile</scope>
         </dependency>
+        <dependency>
+            <groupId>cn.iocoder.boot</groupId>
+            <artifactId>yudao-module-setting-biz</artifactId>
+            <version>1.7.3-snapshot</version>
+            <scope>compile</scope>
+        </dependency>
     </dependencies>
 
 </project>

yudao-module-accounting/yudao-module-accounting-biz/src/main/java/cn/iocoder/yudao/module/accounting/controller/admin/invoices/InvoicesController.java

@@ -10,6 +10,7 @@ import cn.iocoder.yudao.module.accounting.dal.dataobject.invoices.Converter;
 import cn.iocoder.yudao.module.accounting.enums.AccountingStatusEnum;
 import cn.iocoder.yudao.module.bs.utils.BaiduOcrHandler;
 import cn.iocoder.yudao.module.infra.service.file.FileService;
+import cn.iocoder.yudao.module.setting.service.passwords.PasswordsService;
 import com.alibaba.excel.EasyExcel;
 import com.alibaba.fastjson.JSONObject;
 import liquibase.pro.packaged.A;
@@ -60,6 +61,8 @@ public class InvoicesController {
     private InvoicesService invoicesService;
     @Resource
     private FileService fileService;
+    @Resource
+    private PasswordsService passwordsService;
 
     @PostMapping("/create")
     @Operation(summary = "创建发票")
@@ -111,6 +114,16 @@ public class InvoicesController {
         return success(InvoicesConvert.INSTANCE.convertPage(pageResult));
     }
 
+    @GetMapping("/downloadXml")
+    @Operation(summary = "获得发票分页Xml")
+    @PreAuthorize("@ss.hasPermission('accounting:invoices:query')")
+    public void downloadXml(@Valid InvoicesPageReqVO pageVO,HttpServletResponse response) throws IOException {
+        PageResult<InvoicesDO> pageResult = invoicesService.getInvoicesPage(pageVO);
+        PageResult<InvoicesRespVO> invoicesRespVOPageResult = InvoicesConvert.INSTANCE.convertPage(pageResult);
+        String jsonString = JSONObject.toJSONString(invoicesRespVOPageResult);
+        passwordsService.jsonToXmlConverter(response,pageVO.getInputPassword(),jsonString);
+    }
+
     @GetMapping("/export-excel")
     @Operation(summary = "导出发票 Excel")
     @PreAuthorize("@ss.hasPermission('accounting:invoices:export')")

yudao-module-accounting/yudao-module-accounting-biz/src/main/java/cn/iocoder/yudao/module/accounting/controller/admin/invoices/vo/InvoicesPageReqVO.java

@@ -208,4 +208,7 @@ public class InvoicesPageReqVO extends PageParam {
 
     @Schema(description = "发票地址")
     private String fileUrl;
+
+    @Schema(description = "密码")
+    String inputPassword;
 }

yudao-module-setting/yudao-module-setting-biz/src/main/java/cn/iocoder/yudao/module/setting/service/passwords/PasswordsServiceImpl.java

@@ -1,5 +1,6 @@
 package cn.iocoder.yudao.module.setting.service.passwords;
 
+import cn.iocoder.yudao.module.setting.tools.JsonToXml;
 import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
 import me.zhyd.oauth.log.Log;
 import org.apache.http.HttpResponse;
@@ -15,8 +16,10 @@ import javax.servlet.http.HttpServletResponse;
 import org.springframework.validation.annotation.Validated;
 
 import java.io.IOException;
+import java.io.OutputStream;
 import java.io.PrintWriter;
 import java.io.UnsupportedEncodingException;
+import java.net.URLEncoder;
 import java.security.MessageDigest;
 import java.util.*;
 
@@ -56,8 +59,6 @@ public class PasswordsServiceImpl implements PasswordsService {
         wrapper.orderByDesc("create_time").last("LIMIT 1");
         PasswordsDO passwordsDO = passwordsMapper.selectOne(wrapper);
         String passwordValueMD5 = passwordsDO.getPasswordValue();
-        // 获取PrintWriter对象
-        PrintWriter out = httpResponse.getWriter();
         httpResponse.setCharacterEncoding("UTF-8");
         httpResponse.setContentType("application/json");
         if (passwordValueMD5 == null) {
@@ -65,25 +66,34 @@ public class PasswordsServiceImpl implements PasswordsService {
             json2.put("code", "500");
             json2.put("msg", "password is null！");
             httpResponse.setStatus(500);
+            PrintWriter out = httpResponse.getWriter(); // 获取PrintWriter对象
             out.println(json2.toString());
             out.flush();
             return null; // 返回XML字符串
         } else {
             boolean passwordValid = this.isPasswordValid(inputPassword, passwordValueMD5);
 
-            if (passwordValid) {//将json字符串转化为JSONObject对象
+            if (passwordValid) {
-                JSONObject jsonObject = new JSONObject(json);
+                //1.设置文件下载的response响应格式
-                //将JSONObject对象转化为xml字符串
+                String fileType = "xml";    //文件类型
-                String xml = XML.toString(jsonObject);
+                httpResponse.setHeader("Content-Disposition", "attachment;filename=" + URLEncoder.encode("元数据." + fileType, "UTF-8"));
-                httpResponse.setStatus(200); // 设置响应状态码为200
+                httpResponse.setContentType("multipart/form-data");
-                httpResponse.setHeader("Content-Type", ContentType.APPLICATION_XML.toString());
+                httpResponse.setCharacterEncoding("UTF-8");
-                out.println(xml);
+                String jsonToXml = JsonToXml.jsonToXml(json);
-                return xml; // 返回XML字符串
+                //3.将内容转为byte[]格式
+                byte[] data2 = jsonToXml.getBytes("UTF-8");
+                //4.将内容写入响应流
+                OutputStream out2 = httpResponse.getOutputStream();
+                out2.write(data2);
+                out2.flush();
+                out2.close();
+                return jsonToXml;
             } else {
                 JSONObject json2 = new JSONObject();
                 json2.put("code", "500");
                 json2.put("msg", "passwordError!");
                 httpResponse.setStatus(500);
+                PrintWriter out = httpResponse.getWriter(); // 获取PrintWriter对象
                 out.println(json2.toString());
                 out.flush();
                 return null;
@@ -91,6 +101,8 @@ public class PasswordsServiceImpl implements PasswordsService {
         }
     }
 
+
+
     @Override
     public Long createPasswords(PasswordsCreateReqVO createReqVO) {
         // 插入

yudao-module-setting/yudao-module-setting-biz/src/main/java/cn/iocoder/yudao/module/setting/tools/JsonToXml.java

@@ -0,0 +1,92 @@
+package cn.iocoder.yudao.module.setting.tools;
+
+import com.alibaba.fastjson.JSON;
+import com.alibaba.fastjson.JSONArray;
+import com.alibaba.fastjson.JSONObject;
+
+import java.util.Iterator;
+import java.util.Map;
+import java.util.Set;
+
+/**
+ * @author ysd
+ * @date 2021年08月03日 9:33
+ */
+public class JsonToXml {
+    /**
+     * Json to xml string.
+     *
+     * @param json the json
+     * @return the string
+     */
+    public static String  jsonToXml(String json){
+        try {
+            StringBuffer buffer = new StringBuffer();
+            buffer.append("<?xml version=\"1.0\" encoding=\"utf-8\"?>");
+            JSONObject jObj = JSON.parseObject(json);
+            jsonToXmlstr(jObj,buffer);
+            return buffer.toString();
+        } catch (Exception e) {
+            e.printStackTrace();
+            return "";
+        }
+    }
+
+
+    /**
+     * Json to xmlstr string.
+     *
+     * @param jObj   the j obj
+     * @param buffer the buffer
+     * @return the string
+     */
+    public static String jsonToXmlstr(JSONObject jObj, StringBuffer buffer) {
+        Set<Map.Entry<String, Object>> se = jObj.entrySet();
+        for (Iterator<Map.Entry<String, Object>> it = se.iterator(); it.hasNext(); ) {
+            Map.Entry<String, Object> en = it.next();
+            if (en.getValue() instanceof JSONObject) {
+                buffer.append("<" + en.getKey() + ">");
+                JSONObject jo = (JSONObject) en.getValue();
+                jsonToXmlstr(jo, buffer);
+                buffer.append("</" + en.getKey() + ">");
+            } else if (en.getValue() instanceof JSONArray) {
+                JSONArray jarray = (JSONArray) en.getValue();
+                for (int i = 0; i < jarray.size(); i++) {
+                    buffer.append("<" + en.getKey() + ">");
+                    JSONObject jsonobject = jarray.getJSONObject(i);
+                    jsonToXmlstr(jsonobject, buffer);
+                    buffer.append("</" + en.getKey() + ">");
+                }
+            } else if (en.getValue().getClass().getName().equals("java.lang.String")) {
+                buffer.append("<" + en.getKey() + ">" + encodeXmlString((String) en.getValue()));
+                buffer.append("</" + en.getKey() + ">");
+            }
+        }
+        return buffer.toString();
+    }
+
+    public static String encodeXmlString(String input) {
+        StringBuilder out = new StringBuilder();
+        for (int i = 0; i < input.length(); i++) {
+            char c = input.charAt(i);
+            if (c <= 0xD7FF || c >= 0xE000) {
+                out.append(c);
+            } else {
+                out.append("&#x").append(Integer.toHexString(c)).append(";");
+            }
+        }
+        return out.toString();
+    }
+
+    /**
+     * The entry point of application.
+     *
+     * @param args the input arguments
+     */
+    public static void main(String[] args) {
+
+        String xmlstr = jsonToXml("{\"class\": {\"student\": [{\"age\": \"18\",\"gender\": \"男\",\"name\": \"张三\",\"qk\": [{\"q1\": \"001\",\"q2\": \"002\",\"q3\": \"003\"},{\"q1\": \"001\",\"q2\": \"002\",\"q3\": \"003\"}]},{\"age\": \"17\",\"gender\": \"男\",\"name\": \"李四\",\"qk\": {\"q1\": \"005\",\"q2\": \"006\",\"q3\": \"007\"}},{\"age\": \"19\",\"gender\": \"女\",\"name\": \"王五\",\"qk\": {\"q1\": \"008\",\"q2\": \"009\",\"q3\": \"010\"}}]}}");
+        System.out.println(xmlstr);
+    }
+
+}