Ajax发送请求,并接受字符串

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前台:
        $.ajax({
              type: 'POST',
              url: url,
              dataType: "json",
              success : function(data){
                  alert("success:"+data+"-"+data.length);
              },
              error : function(mes){
                  alert("error:"+mes);
              }
        });
③返回字符串
List list = ……
String json = JSONArray.fromObject(list).toString();
response.setContentType("text/html;charset=utf-8");
response.getWriter().write(json.toString());

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转载自blog.csdn.net/T_P_F/article/details/80531852
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