把名称和后台来的json数据约定起来，可以达到的效果就是可以将东西统一化，减少差异，提升模块等的通用性，此后就可以实现具体不同模块内容可以自动或拷贝赋值的方式
顺带，这个前端项目中用到的控件，一般是手写，其他类型，比如菜单是 accordion.js这个手风琴控件
/* File Created: 十二月 18, 2014
*@Author iGO
*@LastModify 2014-12-19
**/
//使用闭包，为了增加开发效率而写的自动化赋值的类
//todo: string对象 添加公有format方法
(String.prototype.format = function(args) {
var result = this;
if (arguments.length > 0) {
if (arguments.length == 1 && typeof (args) == "object") {
for (var key in args) {
if (args[key] != undefined) {
var reg = new RegExp("({" + key + "})", "g");
result = result.replace(reg, args[key]);
}
}
} else {
for (var i = 0; i < arguments.length; i++) {
if (arguments[i] != undefined) {
//var reg = new RegExp("({[" + i + "]})", "g");//这个在索引大于9时会有问题，谢谢何以笙箫的指出
var regt = new RegExp("({)" + i + "(})", "g");
result = result.replace(regt, arguments[i]);
}
}
}
}
return result;
})();
//todo:封装的一些公用的小方法
var commonHelper = (function ($, commonHelper) {
var baseUrl = "http://51creator.vicp.net/cloudants/";
var $id = function (id) { return document.getElementById(id); }
commonHelper.doNothing = function () { };
//暂不启用！通用赋值，将所有判断做明确，用一个统一的端口接入，实现所有代码共用一套操作，达到最大复用。减少不同具体模块方法的差异，增加通用性
commonHelper.applyAlt= function(jsonObject) {
for (var i in jsonObject) {
var obj = $id(i);
var objVal = jsonObject[i];
//赋值text
if (obj && !(objVal instanceof Array && obj.innerText)) {
$("#" + i).text(jsonObject[i]);
}
//赋值图片 图片判断
if (obj.tagName == "img") {
$("#" + i).attr("src", objVal);
}
//赋值图表，类型为几种，canvas，内层判断为 按后缀，bar line 和pichart
//赋值模板
}
}
commonHelper.apply = function (jsonObject) {
if (!jsonObject) return "";
for (var i in jsonObject) {
if (document.getElementById(i) && !(jsonObject[i] instanceof Array)) {
$("#" + i).text(jsonObject[i]);
}
}
}
commonHelper.applySrc = function (jsonObject) {
for (var i in jsonObject) {
if (jsonObject[i].toString().indexOf(".") > -1)
$("#" + i).attr("src", jsonObject[i]);
}
}
commonHelper.applyChartBar = function (jsonObject) {
for (var i in jsonObject) {
if (i.toString().indexOf("_bar") != -1 && document.getElementById(i) != null) {
var ctx3 = document.getElementById(i).getContext("2d");
window.myBar3 = new Chart(ctx3).Bar(jsonObject[i], { responsive: true });
}
}
}
commonHelper.applyChartLine = function (jsonObject) {
for (var i in jsonObject) {
if (i.toString().indexOf("_line") != -1 && document.getElementById(i) != null) {
var ctx2 = document.getElementById(i).getContext("2d");
window.myLine2 = new Chart(ctx2).Line(jsonObject[i], { responsive: true });
}
}
}
commonHelper.applyPiChart = function (ret) {
for (var i in ret) {
if (document.getElementsByClassName(i).length > 0)
$("." + i).attr("data-percent", ret[i]).easyPieChart({
animate: 1000,
size: 100,
lineCap: "square",
scaleColor: "#ccc",
trackColor: "#ddd",
barColor: "#0093dd",
lineWidth: "3"
}); ;
};
}
commonHelper.applyTemplate = function (el, template) {
var text = "", args = arguments;
if (arguments.length >= 2) {
for (var i = 2; i < arguments.length; i++) {
var reg = new RegExp("({)" + (i - 2) + "(})", "g");
template = template.replace(reg, arguments[i]);
}
}
text = template;
$("#" + el).html(text);
}
commonHelper.applyTemplate = function (el, template, argArray) {
}
commonHelper.getUrl = function (token) {
return baseUrl + token;
}
return commonHelper;
})(jQuery, commonHelper || {});
模块写法，使用了js模块架构模式中的Module模式
/* File Created: 十二月 9, 2014 */
/*
*Latest Modify:2014-12-12
*Updator:iGO
*login logic
*
**/
var page351Helper = (function ($, page351Helper, ajaxHelper, commonHelper) {
"Use Strict";
var applyStoreInfo_RT = function (ret) {
ret = ret || { "success": true, "store_lunname": "lun1", "store_errors": "10", "store_alarms": "10" };
commonHelper.apply(ret);
}
var applyStoreCapacity_RT = function (ret) {
ret = ret || { "success": true, "store_total": "100G", "store_used": "50G", "store_health": "20%" };
commonHelper.apply(ret);
$("#store_used").height(ret.store_health);
}
var applyStoreFullInfo_RT = function (ret) {
ret = ret || { "success": true, "store_id": "1", "store_name": "store1", "store_lunlocation": "XXX", "store_type": "XXX", "store_volumespace": "XXX", "store_linkhosts": "8", "store_linkvms": "4", "store_pathsmode": "XXX", "store_allpaths": "18" };
commonHelper.apply(ret);
}
var applyStoreIODelay_RT = function (ret) {
ret = ret || {};
commonHelper.applyChartBar(ret);
commonHelper.apply(ret);
}
var applyStoreEntity_RT = function (ret) {
ret = ret || {};
commonHelper.apply(ret);
}
page351Helper.initial = function () {
//todo:接口：store!getStoreInfo_RT
ajaxHelper.post({
url: commonHelper.getUrl("store!getStoreInfo_RT"),
data: { store_id: "" },
success: applyStoreInfo_RT
});
//todo:接口：store!getStoreCapacity_RT
ajaxHelper.post({
url: commonHelper.getUrl("store!getStoreCapacity_RT"),
data: { store_id: "" },
success: applyStoreCapacity_RT
});
//todo:接口：getStoreFullInfo_RT
ajaxHelper.post({
url: commonHelper.getUrl("getStoreFullInfo_RT"),
data: { store_id: "" },
success: applyStoreFullInfo_RT
});
//todo:接口：store!getStoreIODelay_RT
ajaxHelper.post({
url: commonHelper.getUrl("store!getStoreIODelay_RT"),
data: { store_id: "" },
success: applyStoreIODelay_RT
});
//todo:接口：store!getStoreEntity_RT
ajaxHelper.post({
url: commonHelper.getUrl("store!getStoreEntity_RT"),
data: { store_id: "" },
success: applyStoreEntity_RT
});
}
return page351Helper;
})(jQuery, page351Helper || {}, AJAXHelper, commonHelper);
$(function () {
page351Helper.initial();
});我在一个前端项目中用js整理的一些通用方法，其中使用到的思想，主要就是约定了。
原文：http://www.cnblogs.com/hualiu0/p/4191642.html