Http请求传json数据中文乱码问题详解编程语言

业务场景：调easyui的dialog打开一个弹窗，传参是用json封装的，而且有中文，然后在极速模式是正常的，在ie11测试发现中文出现乱码了

var params = JSON.stringify(writParamList); 

top.dialog({ 

 id: noticeList, 

 title:列表, 

 width:900, 

 height:500, 

 url:${root}/notice/multiNoticeList.do?params=+params, 

 onclose:function(){ 

 //location.reload(); 

}).showModal();

后台获取json数据，并转成list，然后在ie模式，获取到的json数据都出现中文乱码，然后导致json不能解析报错了

String params = request.getParameter("params"); 

 logger.info("文书参数转换前:》》"+params); 

 params=StringEscapeUtils.unescapeJava(params); 

 logger.info("文书参数转换后:》》"+params); 

 ObjectMapper mapper = new ObjectMapper(); 

 JavaType javaType = mapper.getTypeFactory().constructParametricType(List.class, FormModel.class); 

 /*List FormModel writUnionFormList = 

 JSON.parseArray(params, FormModel.class);*/ 

 List FormModel writUnionFormList=new ArrayList FormModel 

 try { 

 writUnionFormList = (List FormModel )mapper.readValue(params, javaType); 

 } catch (JsonParseException e) { 

 e.printStackTrace(); 

 } catch (JsonMappingException e) { 

 e.printStackTrace(); 

 } catch (IOException e) { 

 e.printStackTrace(); 

 }

针对上面问题，和同事讨论，最开始打算base64加密来传，然后发现base64加密中文出现问题，所以改成URLEncode的方式，前端加密两遍，后台在解密一遍

var params = JSON.stringify(writParamList); 

top.dialog({ 

 id: noticeList, 

 title:列表, 

 width:900, 

 height:500, 

 url:${root}/notice/multiNoticeList.do?params=+encodeURI(encodeURI(params)), 

 onclose:function(){ 

 //location.reload(); 

}).showModal();

后台代码修改，解码一遍，然后发现在ie也正常

String params = request.getParameter("params"); 

 logger.info("文书参数转换前:》》"+params); 

 //params=StringEscapeUtils.unescapeJava(params); 

// byte[] buffer=Base64Utils.decodeFromString(params); 

// params = new String(buffer); 

 try { 

 params=URLDecoder.decode(params,"utf-8"); 

 } catch (UnsupportedEncodingException e1) { 

 e1.printStackTrace(); 

 logger.info("文书参数转换后:》》"+params); 

 ObjectMapper mapper = new ObjectMapper(); 

 JavaType javaType = mapper.getTypeFactory().constructParametricType(List.class, ApprWritUnionFormModel.class); 

 /*List FormModel writUnionFormList = 

 JSON.parseArray(params, FormModel.class);*/ 

 List FormModel writUnionFormList=new ArrayList FormModel 

 try { 

 writUnionFormList = (List FormModel )mapper.readValue(params, javaType); 

 } catch (JsonParseException e) { 

 e.printStackTrace(); 

 } catch (JsonMappingException e) { 

 e.printStackTrace(); 

 } catch (IOException e) { 

 e.printStackTrace(); 

 }

原创文章，作者：ItWorker，如若转载，请注明出处：https://blog.ytso.com/17028.html