利用js將ajax獲取到的后臺數(shù)據(jù)動態(tài)加載至網(wǎng)頁中的方法

<script>
jQuery(function($) {
/**********
獲取未處理報警信息總數(shù)
**************/
var result;
$.ajax({
async:false,
cache:false,
url: "alarm_findPageAlarm.do",//訪問后臺接口取數(shù)據(jù)
// dataType : "json",
type: 'POST',
success: function(data){
result = eval('('+ data +')');
}
});
var alarmCount;
alarmCount = result.total;

/**********

靜態(tài)代碼形式

**********/
/* 
<li>
<a href="#" rel="external nofollow" class="dropdown-toggle">
<i class="icon-desktop"></i>
<span class="menu-text"> 設(shè)備管理 </span>


<b class="arrow icon-angle-down"></b>
</a>


<ul class="submenu">
<li>
<a href="smartTerminal.html" rel="external nofollow" >
<i class="icon-double-angle-right"></i>
智能終端管理
</a>
</li>
<li>
<a href="labelPrinter.html" rel="external nofollow" >
<i class="icon-double-angle-right"></i>
標(biāo)簽打印機(jī)管理
</a>
</li>
</ul>
</li>
*/

/*****從后臺取出導(dǎo)航欄數(shù)據(jù)******/
$.ajax({
async:true,
cache:false,
url: "user_getMenuBuf.do",
// dataType : "json",
type: 'POST',
success: function(result){
var result = eval('('+ result +')');
if(result != undefined && result.length > 0){
var firstMenu = [];
var firstHref = [];
var firstIcon = [];
var subMenu = [];

/******一級導(dǎo)航欄數(shù)據(jù)*******/
for (var i = 0; i < result.length; i++){
firstMenu[i] = result[i].name;
firstHref[i] = result[i].url;
firstIcon[i] = result[i].iconCls;

/*******添加li標(biāo)簽********/
var menuInfo = document.getElementById("menuInfo");
var firstLi = document.createElement("li");//創(chuàng)建新的 li元素
menuInfo.appendChild(firstLi);//將此li元素添加至頁面的ul下一級中
firstLi.style.borderBottom = "0px solid #CCEBF8";//設(shè)置li下邊框樣式

/******設(shè)置選中l(wèi)i、離開li時li的樣式********/
firstLi.onmouseover = function(){
this.style.background = "#23ACFA";
};
/* firstLi.onmouseover = function(){
this.style.background = "#23ACFA";
}; */
firstLi.onmouseout=function(){
this.style.background = "#0477C0";
};

/******添加a標(biāo)簽**********/
var firstALabel = document.createElement("a");
firstALabel.setAttribute("href", firstHref[i]);//js為新添加的a元素動態(tài)設(shè)置href屬性
firstALabel.setAttribute("class", "dropdown-toggle");
//firstALabel.className = "dropdown-toggle";//兼容性好
firstALabel.setAttribute("target", "content");
//firstALabel.style.backgroundImage="url(./img/17.jpg)"
firstALabel.style.background = "#0477C0";//js為新添加的a元素動態(tài)設(shè)置背景顏色
// background:url(./img/17.jpg);
firstALabel.style.marginLeft = "20px";//js為新添加的a元素動態(tài)設(shè)置左外邊距
firstLi.appendChild(firstALabel);
firstALabel.onmouseover = function(){
this.style.background = "#23ACFA";
};
/* firstALabel.onmouseover = function(){
this.style.background = "#23ACFA";
}; */
firstALabel.onmouseout=function(){
this.style.background = "#0477C0";
};


/*******添加i標(biāo)簽*******/
var firstILavel = document.createElement("i");
firstILavel.setAttribute("class", firstIcon[i]);
firstILavel.style.color = "#F4F8FF";//動態(tài)設(shè)置i元素的顏色
firstALabel.appendChild(firstILavel);

/*********添加span標(biāo)簽**********/
var firstSpan = document.createElement("span");
firstSpan.className = "menu-text";
firstSpan.innerHTML = firstMenu[i];//js為新添加的span元素動態(tài)設(shè)置顯示內(nèi)容
firstSpan.style.fontSize = "14.5px";//js為新添加的span元素動態(tài)設(shè)置顯示內(nèi)容的字體大小
firstSpan.style.color = "#66D2F1";//js為新添加的span元素動態(tài)設(shè)置顯示內(nèi)容的字體顏色
firstSpan.style.marginLeft = "15px";
firstALabel.appendChild(firstSpan);

if (firstMenu[i] == "報警信息管理"){
var alarmIcon = document.createElement("span");
alarmIcon.className = "badge badge-important";
alarmIcon.innerHTML = alarmCount; //alarmCount為全局變量，且是通過ajax從后臺獲取到的
firstSpan.appendChild(alarmIcon);
}

if (result[i].children.length > 0){
var secondHref = [];
var secondMenu = [];
var secondIcon = [];

/*******添加b標(biāo)簽********/
var firstBLabel = document.createElement("b");
firstBLabel.className = "arrow icon-angle-down";
firstBLabel.style.color = "white";
firstALabel.appendChild(firstBLabel);

/********添加ul標(biāo)簽************/
var secondUl = document.createElement("ul");
secondUl.setAttribute("class", "submenu");
firstLi.appendChild(secondUl);

for (var j = 0; j < result[i].children.length; j++){
secondHref[j] = result[i].children[j].url;
secondMenu[j] = result[i].children[j].name;
secondIcon[j] = result[i].children[j].iconCls;

/******添加li標(biāo)簽*******/
var secondLi = document.createElement("li");
secondLi.style.background = "#CCEBF8";
secondUl.appendChild(secondLi);

/*******添加a標(biāo)簽*******/
var secondALabel = document.createElement("a");
secondALabel.setAttribute("href", secondHref[j]);
secondALabel.setAttribute("target", "content");
//secondALabel.style.background = "#CCEBF8";
secondLi.appendChild(secondALabel);

/*******添加i標(biāo)簽**********/
var secondILabel = document.createElement("i");
secondILabel.setAttribute("class", "icon-double-angle-right");
secondALabel.appendChild(secondILabel);

/******添加二級導(dǎo)航信息********/
secondALabel.innerHTML = secondMenu[j];
secondALabel.style.fontSize = "15px";
//secondALabel.style.marginLeft = "60px";
}
}
}
   }
  }, 
 error: function() { 
 alert("加載菜單失敗"); 
 } 
});
})
</script>