一、业务需求及实现效果
项目涉及到订单模块,那天突然接到一个需求,说是两种不同状态的订单之间要实现插单的效果,页面上呈现方式是:左右两个Table,左边Table里面是状态为1的订单,右边Table里面是状态为2订单,左边Table里面的行数据拖动到右边Table里面指定行的位置,拖动完成后,左边表格减少一行,右边表格增加一行。除此之外,还需要撤销操作(相当于Ctrl + Z操作),能够返回到上一步的状态。可能描述会让大家模拟两可,反正已经实现了,先来看看效果图吧。
1、先看看拖动之前的效果
2、这是拖动左边表格行数据的效果
3、拖动一行完成之后表格数据的效果
4、第二次、第三次拖动完成后效果
5、右边表格上面撤销操作点击效果
6、多次点击撤销,表格回到初始状态
二、代码示例
接到需求的第一感觉是应该上Bootstrap table api里面找一下,毕竟开源的力量是强大的,或许有相关的示例呢。经过一番查找,很可惜,Bootstrap Table没有这种两张表格之间的操作。想想其实也可以理解,Bootstrap Table是针对某个动态表格数据绑定的,它的侧重点是表格内部的功能,比如表格内部行的拖拽排序(Reorder Rows)有很好的解决方案,对于像博主这样的特殊需求,似乎也应该自己去实现。
1、需求分析
既然决定自己去写,开始分析需求,似乎这个操作里面比较困难的是拖拽效果,说到拖拽效果,原来使用JsPlumb的时候那使用太多了,于是就想到了我们神奇的JQuery UI里面的draggable.js 和droppable.js。拖拽的问题解决了,那么还有一个难点,就是撤销操作怎么办?我们知道Ctrl+z的意思是还原,什么叫还原?就是返回到上一步的操作,那么前提是要能够保存上一步的状态,说到保存某一步的状态,博主就知道怎么做了,需要一个全局变量Json,里面要有三个键值对,分别是当前步骤的索引、左边表格的数据、右边表格的数据。似乎也不太难嘛,就此着手,开干。
2、代码示例
2.1 cshtml页面代码
<html> <head> <meta name=\"viewport\" content=\"width=device-width\" /> <title>@ViewBag.Title</title> @Styles.Render(\"~/Content/css\") @Styles.Render(\"~/Content/table-css\") @Scripts.Render(\"~/bundles/jquery\") @Scripts.Render(\"~/bundles/knockout\") @Scripts.Render(\"~/bundles/bootstrap\") @Scripts.Render(\"~/bundles/bootstrap-table\") @RenderSection(\"Scripts\", false) </head> <body> @RenderBody() </body> </html> @{ ViewBag.Title = \"订单插单\"; Layout = \"~/Views/Shared/_Layout.cshtml\"; } @Scripts.Render(\"~/bundles/Order/InsertOrder\") @Styles.Render(\"~/bundles/Order/css\") @Scripts.Render(\"~/Content/bootstrap/datepicker/js\") @Styles.Render(\"~/Content/bootstrap/datepicker/css\") <script src=\"~/Content/jquery-ui-1.11.4.custom/jquery-ui.min.js\"></script> <div class=\"panel-body\" style=\"padding-bottom:0px;\"> <div class=\"panel panel-default\" style=\"margin-bottom:0px;\"> <div class=\"panel-heading\">查询条件</div> <div class=\"panel-body container-fluid\"> <div class=\"row\"> <div class=\"col-md-3\"> <label for=\"txt_search_ordernumber\" class=\"col-sm-4 control-label\" style=\"margin-top:6px;\">订单号</label> <span class=\"col-sm-8\"> <input type=\"text\" class=\"form-control\" id=\"txt_search_ordernumber\"> </span> </div> <div class=\"col-md-3\"> <label for=\"txt_search_bodynumber\" class=\"col-sm-3 control-label\" style=\"margin-top:6px;\">车身号</label> <span class=\"col-sm-8\"> <input type=\"text\" class=\"form-control\" id=\"txt_search_bodynumber\"> </span> </div> <div class=\"col-md-3\"> <label for=\"txt_search_vinnumber\" class=\"col-sm-4 control-label\" style=\"margin-top:6px;\">VIN码</label> <span class=\"col-sm-8\"> <input type=\"text\" class=\"form-control\" id=\"txt_search_vinnumber\"> </span> </div> <div class=\"col-md-3\"> <label for=\"txt_search_engin_code\" class=\"col-sm-4 control-label\" style=\"margin-top:6px;\">发动机号</label> <span class=\"col-sm-8\"> <input type=\"text\" class=\"form-control\" id=\"txt_search_engin_code\"> </span> </div> </div> <div class=\"collapse\" id=\"div_more_search\"> <div class=\"row\" style=\"margin-top:15px;\"> <div class=\"col-md-3\"> <label for=\"txt_search_import_startdate\" class=\"col-sm-4 control-label\" style=\"margin-top:6px;\">导入时间</label> <span class=\"col-sm-8\"> <input type=\"text\" class=\"form-control datetimepicker\" readonly id=\"txt_search_import_startdate\"> </span> </div> <div class=\"col-md-3\"> <label for=\"txt_search_import_enddate\" class=\"col-sm-3 control-label\" style=\"margin-top:6px;\">至</label> <span class=\"col-sm-8\"> <input type=\"text\" class=\"form-control datetimepicker\" readonly id=\"txt_search_import_enddate\"> </span> </div> <div class=\"col-md-3\"> <label for=\"txt_search_send_startdate\" class=\"col-sm-4 control-label\" style=\"margin-top:6px;\">下发时间</label> <span class=\"col-sm-8\"> <input type=\"text\" class=\"form-control datetimepicker\" readonly id=\"txt_search_send_startdate\"> </span> </div> <div class=\"col-md-3\"> <label for=\"txt_search_send_enddate\" class=\"col-sm-4 control-label\" style=\"margin-top:6px;\">至</label> <span class=\"col-sm-8\"> <input type=\"text\" class=\"form-control datetimepicker\" readonly id=\"txt_search_send_enddate\"> </span> </div> </div> <div class=\"row\" style=\"margin-top:15px;\"> <div class=\"col-md-3\"> <label for=\"txt_search_carcode\" class=\"col-sm-4 control-label\" style=\"margin-top:6px;\">整车编码</label> <span class=\"col-sm-8\"> <input type=\"text\" class=\"form-control\" id=\"txt_search_carcode\"> </span> </div> <div class=\"col-md-3\"> <label for=\"txt_search_vms\" class=\"col-sm-3 control-label\" style=\"margin-top:6px;\">VMS号</label> <span class=\"col-sm-8\"> <input type=\"text\" class=\"form-control\" id=\"txt_search_vms\"> </span> </div> <div class=\"col-md-3\"> <label for=\"txt_search_trans_code\" class=\"col-sm-4 control-label\" style=\"margin-top:6px;\">变速箱号</label> <span class=\"col-sm-8\"> <input type=\"text\" class=\"form-control\" id=\"txt_search_trans_code\"> </span> </div> </div> </div> <div class=\"row\" style=\"float:right;margin-right:50px;margin-top:13px;\"> <div> <button type=\"button\" id=\"btn_query\" class=\"btn btn-primary\" style=\"margin-right:20px;width:100px;\">查询</button> <button type=\"submit\" id=\"btn_reset\" class=\"btn btn-default\" style=\"margin-right:20px;width:100px;\">重置</button> </div> </div> </div> </div> <div class=\"collapse_div_outside\"> <div class=\"collapse_div_inside\"></div> <span id=\"span_collapse\" href=\"#div_more_search\" class=\"collapse_div_inside_ele\">展开<label class=\"glyphicon glyphicon-menu-down\"></label></span> </div> </div> @*<div id=\"toolbar_left\" class=\"btn-group\"> </div>*@ <div id=\"toolbar_right\" class=\"btn-group\"> <button id=\"btn_cancel\" type=\"button\" class=\"btn btn-default\"> <span class=\"glyphicon glyphicon-backward aria-hidden=\"true\"></span>撤销 </button> <button id=\"btn_insertorder\" type=\"button\" class=\"btn btn-default\"> <span class=\"glyphicon glyphicon-plus\" aria-hidden=\"true\"></span>插单 </button> </div> <div class=\"panel-body\" style=\"padding-top:0px;\"> <div id=\"div_tableleft\" class=\"col-md-6\"> <table id=\"tb_order_left\"></table> </div> <div id=\"div_tableright\" class=\"col-md-6\"> <table id=\"tb_order_right\"></table> </div> </div>
2.2 js代码
var i_statuindex = 0; //此数组用于保存撤销操作每一步的数据 var arrdata = []; var m_oTable = null; $(function () { //1.初始化表格 m_oTable = new TableInit(); m_oTable.Init(); //2.初始化按钮事件 var oButtonInit = new ButtonInit(); oButtonInit.Init(); //3.日期控件的初始化 $(\".datetimepicker\").datetimepicker({ format: \'yyyy-mm-dd hh:ii\', autoclose: true, todayBtn: true, }); }); //表格相关事件和方法 var TableInit = function () { var oTableInit = new Object(); oTableInit.Init = function () { //初始化左边表格 $(\'#tb_order_left\').bootstrapTable({ url: \'/api/OrderApi/get\', method: \'get\', striped: true, cache: false, striped: true, pagination: true, height: 600, uniqueId:\"TO_ORDER_ID\", queryParams: oTableInit.queryParams, queryParamsType: \"limit\", sidePagination: \"server\", pageSize: 10, pageList: [10, 25, 50, 100], search: true, strictSearch: true, showColumns: true, showRefresh: true, minimumCountColumns: 2, clickToSelect: true, columns: [{ checkbox: true }, { field: \'ORDER_NO\', title: \'订单号\' }, { field: \'BODY_NO\', title: \'车身号\' }, { field: \'VIN\', title: \'VIN码\' }, { field: \'TM_MODEL_MATERIAL_ID\', title: \'整车编码\' }, { field: \'ORDER_TYPE\', title: \'订单类型\' }, { field: \'ORDER_STATUS\', title: \'订单状态\' }, { field: \'CREATE_DATE\', title: \'订单导入时间\' }, { field: \'PLAN_DATE\', title: \'订单计划上线日期\' }, { field: \'VMS_NO\', title: \'VMS号\' }, { field: \'ENGIN_CODE\', title: \'发动机号\' }, { field: \'TRANS_CODE\', title: \'变速箱号\' }, { field: \'OFFLINE_DATE_ACT\', title: \'实际下线日期\' }, { field: \'HOLD_RES\', title: \'hold理由\' }, { field: \'SPC_FLAG\', title: \'特殊标记\' }, ], onLoadSuccess: function (data) { //表格加载完成之后初始化拖拽 oTableInit.InitDrag(); } }); //初始化右边表格 $(\'#tb_order_right\').bootstrapTable({ url: \'/api/OrderApi/get\', method: \'get\', toolbar: \'#toolbar_right\', striped: true, cache: false, striped: true, pagination: true, height: 600, queryParams: oTableInit.queryParamsRight, queryParamsType: \"limit\", //ajaxOptions: { departmentname: \"\", statu: \"\" }, sidePagination: \"server\", pageSize: 10, pageList: [10, 25, 50, 100], search: true, strictSearch: true, showRefresh: true, minimumCountColumns: 2, columns: [ { field: \'ORDER_NO\', title: \'订单号\' }, { field: \'BODY_NO\', title: \'车身号\' }, { field: \'VIN\', title: \'VIN码\' }, { field: \'TM_MODEL_MATERIAL_ID\', title: \'整车编码\' }, { field: \'ORDER_TYPE\', title: \'订单类型\' }, { field: \'ORDER_STATUS\', title: \'订单状态\' }, { field: \'CREATE_DATE\', title: \'订单导入时间\' }, { field: \'PLAN_DATE\', title: \'订单计划上线日期\' }, { field: \'VMS_NO\', title: \'VMS号\' }, { field: \'ENGIN_CODE\', title: \'发动机号\' }, { field: \'TRANS_CODE\', title: \'变速箱号\' }, { field: \'OFFLINE_DATE_ACT\', title: \'实际下线日期\' }, { field: \'HOLD_RES\', title: \'hold理由\' }, { field: \'SPC_FLAG\', title: \'特殊标记\' }, ], onLoadSuccess: function (data) { oTableInit.InitDrop(); } }); }; //注册表格行的draggable事件 oTableInit.InitDrag = function () { $(\'#tb_order_left tr\').draggable({ helper: \"clone\", start: function (event, ui) { var old_left_data = JSON.stringify($(\'#tb_order_left\').bootstrapTable(\"getData\")); var old_right_data = JSON.stringify($(\'#tb_order_right\').bootstrapTable(\"getData\")); var odata = { index: ++i_statuindex, left_data: old_left_data, right_data: old_right_data }; arrdata.push(odata); }, stop: function (event, ui) { } }); }; //注册右边表格的droppable事件 oTableInit.InitDrop = function () { $(\"#tb_order_right\").droppable({ drop: function (event, ui) { var arrtd = $(ui.helper[0]).find(\"td\"); var rowdata = { ORDER_NO: $(arrtd[1]).text(), BODY_NO: $(arrtd[2]).text(), VIN: $(arrtd[3]).text(), TM_MODEL_MATERIAL_ID: $(arrtd[4]).text(), ORDER_TYPE: $(arrtd[5]).text(), ORDER_STATUS: $(arrtd[6]).text(), CREATE_DATE: $(arrtd[7]).text() == \"-\" ? null : $(arrtd[7]).text(), PLAN_DATE: $(arrtd[8]).text() == \"-\" ? null : $(arrtd[8]).text(), VMS_NO: $(arrtd[9]).text(), ENGIN_CODE: $(arrtd[10]).text(), TRANS_CODE: $(arrtd[11]).text(), OFFLINE_DATE_ACT: $(arrtd[12]).text() == \"-\" ? null : $(arrtd[12]).text(), HOLD_RES: $(arrtd[13]).text(), SPC_FLAG: $(arrtd[14]).text(), TO_ORDER_ID: $(ui.helper[0]).attr(\"data-uniqueid\") }; var oTop = ui.helper[0].offsetTop; var iRowHeadHeight = 40; var iRowHeight = 37; var rowIndex = 0; if (oTop <= iRowHeadHeight + iRowHeight / 2) { rowIndex = 0; } else { rowIndex = Math.ceil((oTop - iRowHeadHeight) / iRowHeight); } //插入右边表格指定位置行数据 $(\"#tb_order_right\").bootstrapTable(\"insertRow\", { index: rowIndex, row: rowdata }); $(\'#tb_order_left\').bootstrapTable(\"removeByUniqueId\", $(ui.helper[0]).attr(\"data-uniqueid\")); oTableInit.InitDrag(); } }); }; oTableInit.queryParams = function (params) { //配置参数 var temp = { //这里的键的名字和控制器的变量名必须一直,这边改动,控制器也需要改成一样的 limit: params.limit, //页面大小 offset: params.offset, //页码 strBodyno: $(\"#txt_search_bodynumber\").val(), strVin: $(\"#txt_search_vinnumber\").val(), strOrderno: $(\"#txt_search_ordernumber\").val(), strEngincode: $(\"#txt_search_engin_code\").val(), strOrderstatus: 0, strTranscode: $(\"#txt_search_trans_code\").val(), strVms: $(\"#txt_search_vms\").val(), strCarcode: $(\"#txt_search_carcode\").val(), strImportStartdate: $(\"#txt_search_import_startdate\").val(), strImportEnddate: $(\"#txt_search_import_enddate\").val(), strSendStartdate: $(\"#txt_search_send_startdate\").val(), strSendEnddate: $(\"#txt_search_send_enddate\").val(), }; return temp; }; oTableInit.queryParamsRight = function (params) { //配置参数 var temp = { //这里的键的名字和控制器的变量名必须一直,这边改动,控制器也需要改成一样的 limit: params.limit, //页面大小 offset: params.offset, //页码 strBodyno: \"\", strVin: \"\", strOrderno: \"\", strEngincode: \"\", strOrderstatus: 5, strTranscode: \"\", strVms: \"\", strCarcode: \"\", strImportStartdate: \"\", strImportEnddate: \"\", strSendStartdate: \"\", strSendEnddate: \"\", }; return temp; }; return oTableInit; }; //页面按钮初始化事件 var ButtonInit = function () { var oInit = new Object(); var postdata = {}; oInit.Init = function () { //查询点击事件 $(\"#btn_query\").click(function () { $(\"#tb_order_left\").bootstrapTable(\'refresh\'); }); //重置点击事件 $(\"#btn_reset\").click(function () { $(\".container-fluid\").find(\".form-control\").val(\"\"); $(\"#tb_order_left\").bootstrapTable(\'refresh\'); }); //撤销操作点击事件 $(\"#btn_cancel\").click(function () { if (i_statuindex <= 0) { return; } for (var i = 0; i < arrdata.length; i++) { if (arrdata[i].index != i_statuindex) { continue; } var arr_left_data = eval(arrdata[i].left_data); var arr_right_data = eval(arrdata[i].right_data); $(\'#tb_order_left\').bootstrapTable(\'removeAll\'); $(\'#tb_order_right\').bootstrapTable(\'removeAll\'); $(\'#tb_order_left\').bootstrapTable(\'append\', arr_left_data); for (var x = 0; x < arr_right_data.length; x++) { $(\"#tb_order_right\").bootstrapTable(\"insertRow\", { index: x, row: arr_right_data[x] }); } //$(\'#tb_order_right\').bootstrapTable(\'append\', arr_right_data);//append之后不能drop break; } i_statuindex--; //重新注册可拖拽 m_oTable.InitDrag(); //m_oTable.InitDrop(); }); //搜索栏展开收起点击事件 $(\"#span_collapse\").click(function () { if ($(this).text() == \"收起\") { $(this).html(\'展开<label class=\"glyphicon glyphicon-menu-down\"></label>\'); $(\"#div_more_search\").collapse(\'hide\'); } else { $(this).html(\'收起<label class=\"glyphicon glyphicon-menu-up\"></label>\'); $(\"#div_more_search\").collapse(\'show\') } }); }; return oInit; };
我们重点来看几个地方的代码:
2.2.1 左边表格加载成功之后执行表格行的可拖拽。
$(\'#tb_order_left tr\').draggable({ helper: \"clone\", start: function (event, ui) { var old_left_data = JSON.stringify($(\'#tb_order_left\').bootstrapTable(\"getData\")); var old_right_data = JSON.stringify($(\'#tb_order_right\').bootstrapTable(\"getData\")); var odata = { index: ++i_statuindex, left_data: old_left_data, right_data: old_right_data }; arrdata.push(odata); }, stop: function (event, ui) { } });
在draggable的start事件中,我们将拖拽之前的左右表格中的数据全部保存到arrdata变量中,i_statuindex这个全局变量用于记录当前这一步的索引,用于撤销操作。
2.2.2 右边表格在加载成功之后注册表格的droppable事件
$(\"#tb_order_right\").droppable({ drop: function (event, ui) { var arrtd = $(ui.helper[0]).find(\"td\"); var rowdata = { ORDER_NO: $(arrtd[1]).text(), BODY_NO: $(arrtd[2]).text(), VIN: $(arrtd[3]).text(), TM_MODEL_MATERIAL_ID: $(arrtd[4]).text(), ORDER_TYPE: $(arrtd[5]).text(), ORDER_STATUS: $(arrtd[6]).text(), CREATE_DATE: $(arrtd[7]).text() == \"-\" ? null : $(arrtd[7]).text(), PLAN_DATE: $(arrtd[8]).text() == \"-\" ? null : $(arrtd[8]).text(), VMS_NO: $(arrtd[9]).text(), ENGIN_CODE: $(arrtd[10]).text(), TRANS_CODE: $(arrtd[11]).text(), OFFLINE_DATE_ACT: $(arrtd[12]).text() == \"-\" ? null : $(arrtd[12]).text(), HOLD_RES: $(arrtd[13]).text(), SPC_FLAG: $(arrtd[14]).text(), TO_ORDER_ID: $(ui.helper[0]).attr(\"data-uniqueid\") }; var oTop = ui.helper[0].offsetTop; var iRowHeadHeight = 40; var iRowHeight = 37; var rowIndex = 0; if (oTop <= iRowHeadHeight + iRowHeight / 2) { rowIndex = 0; } else { rowIndex = Math.ceil((oTop - iRowHeadHeight) / iRowHeight); } $(\"#tb_order_right\").bootstrapTable(\"insertRow\", { index: rowIndex, row: rowdata }); $(\'#tb_order_left\').bootstrapTable(\"removeByUniqueId\", $(ui.helper[0]).attr(\"data-uniqueid\")); oTableInit.InitDrag(); } });
在drop事件时,取到当前拖过来的行数据,计算当前鼠标所在的位置,在右边表格指定位置插入拖过来的行数据。然后删除左边表格拖过来的行数据。
2.2.3 撤销操作代码
//撤销操作点击事件 $(\"#btn_cancel\").click(function () { if (i_statuindex <= 0) { return; } for (var i = 0; i < arrdata.length; i++) { if (arrdata[i].index != i_statuindex) { continue; } var arr_left_data = eval(arrdata[i].left_data); var arr_right_data = eval(arrdata[i].right_data); $(\'#tb_order_left\').bootstrapTable(\'removeAll\'); $(\'#tb_order_right\').bootstrapTable(\'removeAll\'); $(\'#tb_order_left\').bootstrapTable(\'append\', arr_left_data); for (var x = 0; x < arr_right_data.length; x++) { $(\"#tb_order_right\").bootstrapTable(\"insertRow\", { index: x, row: arr_right_data[x] }); } //$(\'#tb_order_right\').bootstrapTable(\'append\', arr_right_data);//append之后不能drop break; } i_statuindex--; //重写注册可拖拽 m_oTable.InitDrag(); });
撤销操作主要是通过全局变量arrdata里面的索引判断撤销到哪一步,然后根据索引取出当前步骤的左右表格数据,依次向两表格插入数据,然后i_statuindex依次递减,直至等于零,由于左边表格行数据全部重写加载过,所以需要重新注册可拖拽事件。就是这么简单的三步就能实现想要的效果,是不是很简单~~
以上就是本文的全部内容,希望对大家的学习有所帮助。
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