在js代码拼接dom对象到页面上去的模板总结(必看)

var $metric = $("#metric");
$metric.empty();
var optGroup0 = $("");
var optGroup1 = $("");
var optGroup2 = $("");

for(var i=0; i<allMetricsources.length; i++) {
var m = allMetricsources[i];
if( m != null && (m.type == stream_type || m.type == 2)){
var option = $("");
option.attr("value",m.metric);
option.attr("data_type",m.data_typE);
option.attr("unit",m.unit);
option.html(m.title);
if (m.groupType == 0) {
optGroup0.append(option);
} else if (m.groupType == 1) {
optGroup1.append(option);
} else {
optGroup2.append(option);
}
}
}
$metric.append(optGroup0);
$metric.append(optGroup1);
$metric.append(optGroup2);
if(metric != undefined){
$metric.val(metric);
}
$metric.trigger("chosen:updated");

function fillRecoveryTable(data) {
var $tableBody = $("#recoveryTable").find("tbody");
$tableBody.empty();
var trs = "";
for (var i = 0; i < data.length; i++) {
var recovery = data[i];
trs += "<tr>" + recovery.filename + "</td>";
trs += "" + recovery.timestring + "</td>";
trs += "" + (recovery.result ? "成功" : "失败") + "</td>";
trs += "" +
"<a onclick=\"removeRecovery('" + recovery.id + "');\" class=\"icon-trash option\" title=\"删除\">" +
"<a onclick=\"doRecovery('" + recovery.id + "');\" class=\"icon-cog option\" title=\"一键恢复\" ></td>";
trs += "</tr>";
}
$tableBody.append(trs);
}