$.ajax({type: "post",url: "/User/Edit",data: { data: JSON.stringify(postdata) },success: function (data, status) {if (status == "success") {toastr.success('提交数据成功');$("#tb_aaa").bootstrapTable('refresh');}},error: function (e) {},complete: function () {}
});

(function ($) {//1.得到$.ajax的对象var _ajax = $.ajax;$.ajax = function (options) {//2.每次调用发送ajax请求的时候定义默认的error处理方法var fn = {error: function (XMLHttpRequest, textStatus, errorThrown) {toastr.error(XMLHttpRequest.responseText, '错误消息', { closeButton: true, timeOut: 0, positionClass: 'toast-top-full-width' });},success: function (data, textStatus) { },beforeSend: function (XHR) { },complete: function (XHR, TS) { }}//3.如果在调用的时候写了error的处理方法，就不用默认的if (options.error) {fn.error = options.error;}if (options.success) {fn.success = options.success;}if (options.beforeSend) {fn.beforeSend = options.beforeSend;}if (options.complete) {fn.complete = options.complete;}//4.扩展原生的$.ajax方法，返回最新的参数var _options = $.extend(options, {error: function (XMLHttpRequest, textStatus, errorThrown) {fn.error(XMLHttpRequest, textStatus, errorThrown);},success: function (data, textStatus) {fn.success(data, textStatus);},beforeSend: function (XHR) {fn.beforeSend(XHR);},complete: function (XHR, TS) {fn.complete(XHR, TS);}});//5.将最新的参数传回ajax对象
        _ajax(_options);};
})(jQuery);

function btn_delete() {var keyValue = $("#gridTable").jqGridRowValue("id");if (checkedArray(keyValue)) {$.RemoveForm({msg:"该设备删除之后，无法进行管控，也无法进行卸载，您确定要继续删除吗？",//这些内容均用于自定义url: "${basePath}/assets/deviceAction_delete.do",param: {"ids": keyValue },success: function (responseText) {if (responseText == "success") {dialogMsg("<s:text name="cems.public.msgSuccess"></s:text>", 1);} else if(responseText !="" && responseText !="error"){dialogAlert("<s:text name="cems.public.msgFail"></s:text>", -1);} else {dialogAlert("<s:text name="cems.public.msgFail"></s:text>", -1);}$("#gridTable").trigger("reloadGrid");}})} else {dialogMsg('请选择需要删除的用户！', 0);}
}

$.RemoveForm = function (options) {var defaults = {msg: "注：您确定要删除吗？该操作将无法恢复",loading: "正在删除数据...",url: "",param: [],type: "post",dataType: "text",success: null};var options = $.extend(defaults, options);dialogConfirm(options.msg, function (r) {if (r) {Loading(true, options.loading);window.setTimeout(function () {var postdata = options.param;if ($('[name=__RequestVerificationToken]').length > 0) {postdata["__RequestVerificationToken"] = $('[name=__RequestVerificationToken]').val();}$.ajax({url: options.url,data: postdata,type: options.type,dataType: options.dataType,success: function (data) {options.success(data);/*if (data.type == "3") {dialogAlert(data.message, -1);} else {dialogMsg(data.message, 1);options.success(data);}*/},error: function (XMLHttpRequest, textStatus, errorThrown) {Loading(false);dialogMsg(errorThrown, -1);},beforeSend: function () {Loading(true, options.loading);},complete: function () {Loading(false);}});}, 500);}});
}

(function ($) {//1.定义jquery的扩展方法combobox$.fn.combobox = function (options, param) {if (typeof options == 'string') {return $.fn.combobox.methods[options](this, param);}//2.将调用时候传过来的参数和default参数合并options = $.extend({}, $.fn.combobox.defaults, options || {});//3.添加默认值var target = $(this);target.attr('valuefield', options.valueField);target.attr('textfield', options.textField);target.empty();var option = $('<option></option>');option.attr('value', '');option.text(options.placeholder);target.append(option);//4.判断用户传过来的参数列表里面是否包含数据data数据集，如果包含，不用发ajax从后台取，否则否送ajax从后台取数据if (options.data) {init(target, options.data);}else {//var param = {};
            options.onBeforeLoad.call(target, options.param);if (!options.url) return;$.getJSON(options.url, options.param, function (data) {init(target, data);});}function init(target, data) {$.each(data, function (i, item) {var option = $('<option></option>');option.attr('value', item[options.valueField]);option.text(item[options.textField]);target.append(option);});options.onLoadSuccess.call(target);}target.unbind("change");target.on("change", function (e) {if (options.onChange)return options.onChange(target.val());});}//5.如果传过来的是字符串，代表调用方法。$.fn.combobox.methods = {getValue: function (jq) {return jq.val();},setValue: function (jq, param) {jq.val(param);},load: function (jq, url) {$.getJSON(url, function (data) {jq.empty();var option = $('<option></option>');option.attr('value', '');option.text('请选择');jq.append(option);$.each(data, function (i, item) {var option = $('<option></option>');option.attr('value', item[jq.attr('valuefield')]);option.text(item[jq.attr('textfield')]);jq.append(option);});});}};//6.默认参数列表$.fn.combobox.defaults = {url: null,param: null,data: null,valueField: 'value',textField: 'text',placeholder: '请选择',onBeforeLoad: function (param) { },onLoadSuccess: function () { },onChange: function (value) { }};
})(jQuery);

<select id="sel_search_plant" class="form-control"></select>

$(function(){$('#sel_search_plant').combobox({url: '/apiaction/Plant/Find',valueField: 'TM_PLANT_ID',textField: 'NAME_C'});
})

var strSelectedValue = $('#sel_search_plant').combobox("getValue");$('#sel_search_plant').combobox("setValue", "aaa");

(function ($) {//....封装组件逻辑
})(jQuery);

$.fn.combobox = function (options, param) {};

options = $.extend({}, $.fn.combobox.defaults, options || {});

$.fn.combobox.defaults = {url: null,param: null,data: null,valueField: 'value',textField: 'text',placeholder: '请选择',onBeforeLoad: function (param) { },onLoadSuccess: function () { },onChange: function (value) { }};