添加筛选错误信息的按钮

@@ -73,6 +73,8 @@
 
   <div class="container-fluid">
 
+    <button id = "btn_only_error" class="btn btn-default" style="margin-top: 15px" onclick="onlyErrorBtnOnClick()">Only Errors</button>
+
     <%--<div class="widget-box" style="background: white">--%>
       <%--<div class="widget-title" style="background: white">--%>
         <%--<h5>DNS Monitor状态 host: ${host}  uid: ${uid} </h5>--%>
@@ -81,6 +83,8 @@
     <input id = "host" value="${host}" type="hidden" >
     <input id = "uid" value="${uid}" type="hidden" >
 
+
+
     <%--<div class="container-fluid">--%>
     <div id="div_table" style="margin-top: 15px">
 

@@ -75,3 +75,18 @@ function aHref(page) {
 
     getHistroyInfo();
 }
+
+//当Only Btn点击，则更改isFailedStatus状态，同时修改btn的样式
+function onlyErrorBtnOnClick() {
+
+    currentPage = 0;
+
+    if(isFailedStatus == false) {
+        isFailedStatus = true;
+        document.getElementById("btn_only_error").className= "btn btn-primary";
+    } else {
+        isFailedStatus = false;
+        document.getElementById("btn_only_error").className="btn btn-default";
+    }
+    getHistroyInfo();
+}