增加修改密码的验证码

static/src/js/app/oj/account/change_password.js

@@ -1,13 +1,22 @@
 require(["jquery", "bsAlert", "csrfToken", "validator"], function ($, bsAlert, csrfTokenHeader) {
 
+    function refresh_captcha(){
+        this.src = "/captcha/?" + Math.random();
+        $("#captcha")[0].value = "";
+    }
+    $("#captcha-img").click(function(){
+        refresh_captcha();
+    });
+
     $('form').validator().on('submit', function (e) {
         e.preventDefault();
         var newPassword = $("#new_password ").val();
         var password = $("#password").val();
+        var captcha = $("#captcha").val();
         $.ajax({
             beforeSend: csrfTokenHeader,
             url: "/api/change_password/",
-            data: {new_password: newPassword, old_password: password},
+            data: {new_password: newPassword, old_password: password, captcha: captcha},
             dataType: "json",
             method: "post",
             success: function (data) {
@@ -15,6 +24,7 @@ require(["jquery", "bsAlert", "csrfToken", "validator"], function ($, bsAlert, c
                     window.location.href = "/login/";
                 }
                 else {
+                    refresh_captcha();
                     bsAlert(data.data);
                 }
             }