实现单文件删除

src/main/resources/static/js/common.js

@@ -0,0 +1,30 @@
+/*
+/!*
+ * the first time to call
+ *!/
+setTimeout(function () {
+    Push();
+//  alert("setTimeout called");
+}, 200);
+
+setInterval(function () {
+    Push();
+    //alert("setInterval called");
+}, 3000);
+
+//con.showMsg('登录成功');
+function Push() {
+    $.ajax({
+        type: "POST",
+        url: "../CheckLoginServlet?dt=" + new Date().getTime(),//why getTime and wont use
+        data: {},
+        beforeSend: function () {
+        },
+        success: function (data) {
+            var obj = eval("(" + data + ")");//eval使用前要先加括号，才能得到完整的json数据
+            if (obj.msg != 0) {
+                con.showMsg(obj.msg);
+            }
+        }
+    })
+};*/