jq form表单自动赋值

(function ($) {

$.fn.extend({

initForm: function (options) {

//默认参数

var defaults = {

formdata: "",

isDebug: true //是否需要调试，这个用于开发阶段，发布阶段请将设置为false，默认为false,true将会把name value打印出来

}

//如果传入的json字符串，将转为json对象

var tempData = "";

if ($.type(options) === "string") {

defaults.formdata = JSON.parse(options);

} else {

defaults.formdata = options;

}

//设置参数

// var setting = $.extend({}, defaults, tempData);

var setting = defaults;

var form = this;

formdata = setting.formdata;

 

//如果传入的json对象为空，则不做任何操作

if (!$.isEmptyObject(formdata)) {

var debugInfo = "";

$.each(formdata, function (key, value) {

//是否开启调试，开启将会把name value打印出来

if (setting.isDebug) {

debugInfo += "name:" + key + "; value:" + value + "\r\n ";

}

//表单处理

var formField = form.find("[name='" + key + "']");

if ($.type(formField[0]) === "undefined") {

if (setting.isDebug) {

console.warn("can not find name:[" + key + "] in form!!!"); //没找到指定name的表单

}

} else {

var fieldTagName = formField[0].tagName.toLowerCase();

if (fieldTagName == "input") {

if (formField.attr("type") == "radio") {

$("input:radio[name='" + key + "'][value='" + value + "']").attr("checked", "checked");

} else if (formField.attr("type") == "checkbox") {

$("input:checkbox[name='" + key + "'][value='" + value + "']").attr("checked", "checked");

} else {

formField.val(value);

}

} else if (fieldTagName == "label") {

formField.html(value);

} else {

formField.val(value);

}

}

//图片链接处理form.find("img[fieldata=img_url]")

var formImage = form.find("img[fieldata=" + key + "]");

if ($.type(formImage[0]) != "undefined") {

formImage.attr("src", value);

}

//a链接处理

var formLink = form.find("a[fieldata=" + key + "]");

if ($.type(formLink[0]) != "undefined") {

formLink.attr("href", value);

}

})

if (setting.isDebug) {

console.log(debugInfo);

}

}

return form; //返回对象，提供链式操作

}

});

})(jQuery)