计算器异步刷新问题已解决

demo/src/main/java/com/example/demo/circulator/controller/SumCirController.java

@@ -79,7 +79,7 @@ public class SumCirController {
             String json = JSONObject.toJSONString(map);
             //System.out.println(json);
             response.getWriter().print(json);
-            return;
+            //return json;
         }finally {
 
         }
@@ -89,7 +89,7 @@ public class SumCirController {
             String json = JSONObject.toJSONString(map);
             //System.out.println(json);
             response.getWriter().print(json);
-            return;
+            //return json;
         }
 
         double sum_principal_and_intrate = 0;
@@ -114,14 +114,15 @@ public class SumCirController {
             String json = JSONObject.toJSONString(map);
             //System.out.println(json);
             response.getWriter().print(json);
-            return;
+            //return json;
         }
 
         //System.out.println(sum_principal_and_intrate);
         map.put("value",sum_principal_and_intrate);
         String json = JSONObject.toJSONString(map);
-        //System.out.println(json);
+        System.out.println(json);
-        response.getWriter().print(sum_principal_and_intrate);
+        response.getWriter().print(json);
-        return;
+
+
     }
 }

demo/src/main/resources/static/countCenter.html

@@ -19,6 +19,8 @@
                 // var equ = decument.getElementsByName("equation");
                 // var equation = equ.value();
 
+
+
                 // if(amount=""){
                 //     alert("金额不能为空");
                 //     return;
@@ -40,8 +42,10 @@
                     data:$("#form2").serialize(),
                     async: false,
                     success: function (data) {
-                        var str = "<span class=\"aui-center-title\">计算应还款总金额为："+data+"元</span>";
+                        var str = "<span class=\"aui-center-title\">应还款总金额为："+data.value+"元</span>";
                         $("#sum").append(str);
+
+
                         //console.log(data);
                         //alert("结果为：" + data.value);
                     },
@@ -57,6 +61,8 @@
 
 
 
+
+
         <section class="aui-flexView">
             <header class="aui-navBar aui-navBar-fixed b-line">
                 <a href="index.html" class="aui-navBar-item">
@@ -123,7 +129,7 @@
                             </a>
                         </div>
                         <div class="tab-button">
-                            <button onclick="btnNotForm()">开始计算</button>
+                            <button onclick="btnNotForm()" type="button">开始计算</button>
                             <!--<input type="button" value="开始计算" onclick="btnNotForm()">-->
                         </div>
                     </div>