用jqgrid异步获取列表值,遇到个问题,服务器端从数据库取到的数据没有出现中文乱码问题(日志打出来是没有乱码的),但是异步传到客户的时候却出现了乱码。 服务器端已经编码过了(UTF-8编码)。开始一直怀疑是客户端的问题,比如客户端和服务器端编码不一致啊,也怀疑是不是jqGrid工具函数中少配了 contentType: "application/x-www-form-urlencoded; charset=utf-8", 等等问题。
结果都不是,纠结了几个小时,后来经过大牛的提醒发现,原来代码还是出在服务器端,疏忽了。
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@RequestMapping(value = "/searchUserList.form" )
@ResponseBody
public void searchUserList( int page, int rows, HttpServletRequest request, HttpServletResponse response) throws IOException{
System. out .println( "idcard=" +idCard+ "\n page=" +page+ "\n rows=" +rows);
List<User> list = userService.findByIDCard(idCard);
int totalRecord = list.size();
int totalPage = totalRecord%rows == 0 ? totalRecord/rows : (totalRecord/rows+1);
int index = (page-1)*rows;
int pageSize = rows;
String json = "{\"total\": \"" +totalPage+ "\", \"page\": \"" +page+ "\", \"records\": \"" +totalRecord+ "\", \"rows\": [" ;
for ( int i = index; i < pageSize + index && i<totalRecord; i++) {
User u = list. get (i);
json += "{\"id\":\"" + u.getUserId() + "\",\"userName\":\"" +u.getUserName()+ "\",\"idCard\":\"" +
u.getIdCard() + "\",\"userTel\":\"" +u.getUserTel()+ "\",\"userSex\":\"" +u.getUserSex()+
"\",\"bankCard\":\"" +u.getBankCard()+ "\",\"cardStatus\":\"" +u.getCardSatus()+ "\",\"createTime\":\"" +
u.getCreateTime()+ "\"}" ;
if (i != pageSize + index - 1 && i != totalRecord - 1) {
json += "," ;
}
}
json += "]}" ;
request.setCharacterEncoding( "utf-8" ); //这里不设置编码会有乱码
response.setContentType( "text/html;charset=utf-8" );
response.setHeader( "Cache-Control" , "no-cache" );
PrintWriter out = response.getWriter(); //输出中文,这一句一定要放到response.setContentType("text/html;charset=utf-8"), response.setHeader("Cache-Control", "no-cache")后面,否则中文返回到页面是乱码
out .print(json.toString());
out .flush();
out .close();
}
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