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/**
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* DataTable二次封装
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* @author [刘耀填]
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* @date 2018-10-08
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*/
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define(['constant', 'utils'], function(constant, utils){
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var table = {
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"instance": null,
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"api": '',
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"queryParams": {}
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};
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// 初始化Datatables实例 并 绑定行点击事件
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function init(option) {
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var tableId = option.id;
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var $table = $('#' + tableId);
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var ajaxFun = option.ajax;
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if (typeof ajaxFun !== "function") {
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var ajaxSetting = option.ajaxSetting;
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if (typeof ajaxSetting.api === 'string') {
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table.queryParams = ajaxSetting.queryParamsDefault || {};
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table.api = ajaxSetting.api;
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ajaxFun = createAjaxFun;
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} else {
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alert('ajaxSetting配置错误！');
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}
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}
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table.instance = $table.DataTable({
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"select": false,
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"scrollX": option.scrollX,
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"scrollY": option.scrollY,
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"language": constant.DATATABLE_LANGUAGE,
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"processing": true, // 加载提示
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"serverSide": true, // 启用服务器端分页
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"searching": option.searching, // 禁用原生搜索
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"orderMulti": false, // 启用多列排序
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"ordering": false, // 排序查询
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/*"autoWidth": false,*/
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"lengthMenu": [15, 30, 50], // 每页显示条数，默认10
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"bLengthChange": true,
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"pagingType": "full_numbers", // 分页样式：simple,simple_numbers,full,full_numbers
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"ajax": ajaxFun,
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"rowId": option.rowId ? option.rowId : "id",
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"columns": option.columns
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});
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// 行点击事件
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$table.find('tbody').on('click', 'tr', function () {
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$(this)
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.addClass('selected')
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.siblings('.selected').removeClass('selected'); // 高亮显示
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});
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return table.instance;
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}
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function createAjaxFun(data, callback, settings) {
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var ajaxOption = {
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type: 'post',
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contentType: 'application/json;charset=UTF-8',
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url: table.api + "?rows=" + data.length + "&page=" + (data.start / data.length + 1),
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data: JSON.stringify(table.queryParams),
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success: function (ret) {
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if (ret.code === 200) {
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var data = ret.obj;
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var tableData = data.items || []; // 无记录返回为null，需要处理为[]
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var callbackJson = {
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'recordsTotal': data.totalNum, // 总记录数，分页显示用
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'recordsFiltered': data.totalNum, // 过滤后的总记录数
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'data': tableData // 表格填充用的数据
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};
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callback(callbackJson);
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} else {
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layer.msg('获取记录失败！(' + ret['msg'] + ')', {icon: 2});
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}
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}
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};
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utils.ajax(ajaxOption);
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}
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// 重新加载表格数据
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function reload(params) {
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table.queryParams = params || table.queryParams; // 使用createAjaxFun时才需要外部传参
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table.instance.ajax.reload(); // 重新加载表格数据
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}
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// 刷新当前页数据
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function refresh() {
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table.instance.draw(false);
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}
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return {
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'init':init,
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'reload': reload,
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'refresh': refresh
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}
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}); |
