此文章是基于 EasyUI+Knockout实现经典表单的查看、编辑
一. 相关文件介绍
1. menu.jsp：菜单导航主界面
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN">
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>菜单导航</title>
<%@ include file="/common/head.jsp"%>
</head>
<body>
<div class="toolbar">
<a href="#" plain="true" class="easyui-linkbutton" icon="icon-arrow_refresh" title="刷新" data-bind="click:refreshClick">刷新</a>
<a href="#" plain="true" class="easyui-linkbutton" icon="icon-add" title="新增" data-bind="click:addClick">新增</a>
<a href="#" plain="true" class="easyui-linkbutton" icon="icon-edit" title="编辑" data-bind="click:editClick">编辑</a>
<a href="#" plain="true" class="easyui-linkbutton" icon="icon-cross" title="删除" data-bind="click:deleteClick">删除</a>
<a href="#" plain="true" class="easyui-linkbutton" icon="icon-save" title="保存" data-bind="click:saveClick">保存</a>
</div> <table id="gridlist" data-bind="treegrid:grid">
<thead>
<tr>
<th field="id" hidden="true"></th>
<th field="menuName" align="left" width="150" editor="{type:'validatebox',options:{required: true }}">菜单名称 </th>
<th field="parentId" align="left" width="150" editor="combotree" formatter="formatterParent">上级菜单 </th>
<th field="iconClass" align="left" width="180" editor="{type:'lookup'}">图标 </th>
<th field="url" align="left" width="180" editor="text">链接地址 </th>
<th field="isVisible" align="center" width="60" editor="{type: 'checkbox',options: {on: 1,off: 0}}" formatter="formatterEnable" >是否可见</th>
<th field="isEnable" align="center" width="60" editor="{type: 'checkbox',options: {on: 1,off: 0}}" formatter="formatterEnable" >是否启用</th>
<th field="menuSeq" align="right" width="50" editor="text">排序</th>
<th field="button" align="center" width="100" formatter="formatterButton">页面按钮 </th>
</tr>
</thead>
</table> <script type="text/html" id="button-template">
<div style="margin:5px;height:320px;overflow:auto;">
<style type="text/css">
.listview{ margin:0 !important;}
.listview li{width:100px !important;background-color:#ECECFF !important;float:left;margin:3px;overflow:hidden;}
.listview span{ font-size:14px !important;height:auto !important; white-space: nowrap;}
.listview .icon:before{content:"" !important}
</style> <div style="border-bottom:1px solid #CCC; margin-bottom:5px;">
<span class="icon32 icon-settings32" style="padding-left:48px;font-weight:bold; font-size:14px;color:#666;">请选择页面按钮</span>
</div> <div class="metrouicss">
<label class="input-control checkbox" style="margin-top:6px;margin-left:3px;">
<input type="checkbox" data-bind="checked:checkAll"><span class="helper">全选</span>
</label>
<button class="image-button standart fg-color-white" style="float:right" data-bind="click:manageClick">
<i class="icon-grid-view bg-color-green"></i>
管理按钮库
</button>
<ul class="listview" data-bind="foreach: buttons" style="clear:both">
<li data-bind="click:$parent.buttonClick,css:{selected:selected()>0}"><span class="icon" data-bind="text:buttonName,css:buttonIcon"></span></li>
</ul>
</div>
</div>
<div style="text-align:center;">
<a class="easyui-linkbutton" data-options="iconCls:'icon-ok'" data-bind="click:confirmClick" href="javascript:void(0)" >确定</a>
<a class="easyui-linkbutton" data-options="iconCls:'icon-cancel'" data-bind="click:cancelClick" href="javascript:void(0)">取消</a>
</div>
</script> <script type="text/html" id="manage-template">
<style type="text/css">
.datagrid-wrap{border-width:0 0 1px 0;}
.datagrid-toolbar{background-color:#E0ECFF !important}
</style> <table data-bind="datagrid:grid">
<thead>
<th field="id" hidden="true"></th>
<th field="buttonCode" align="left" editor="{type:'validatebox',options:{required:true}}" width="80" >编码 </th>
<th field="buttonName" align="left" editor="{type:'validatebox',options:{required:true}}" width="70" >名称 </th>
<th field="buttonIcon" align="left" editor="{type:'validatebox',options:{required:true}}" width="120" >图标 </th>
<th field="buttonSeq" align="left" editor="text" width="50" >排序 </th>
<th field="description" align="left" editor="text" width="200" >备注说明 </th>
</thead>
</table> <div style="text-align:center;margin:5px;">
<a class="easyui-linkbutton" data-options="iconCls:'icon-ok'" data-bind="click:confirmClick" href="javascript:void(0)" >确定</a>
<a class="easyui-linkbutton" data-options="iconCls:'icon-cancel'" data-bind="click:cancelClick" href="javascript:void(0)">取消</a>
</div>
</script> <%@ include file="/common/foot.jsp"%>
<script src="viewModel/sys/menu.js"></script>
<script type="text/javascript">
using(['lookup', 'numberspinner'], easyuifix.datagrid_editor_extend);
ko.bindingViewModel(new viewModel());
using(['validatebox','combotree','dialog','messager']);
var formatterEnable = function (value,row) {return '<img src="content/images/' + ((value||'').toString()=="1" ? "checkmark.gif" : "checknomark.gif") + '"/>';};
var formatterParent = function (value, row) { return row.parentName };
var formatterButton = function (value, row) { return (row.url&&row.url!='#')?'<a href="javascript:;" onclick="setButton(\'' + row.id + '\')"><span class="icon icon-set2"> </span>[设置按钮]</a>':''; };
</script>
</body>
</html>
2. menu.js：实现菜单导航功能、列表，设置按钮功能
function viewModel() {
var self = this;
this.editClick = function () {
var row = self.grid.treegrid('getSelected');
if (row) {
//取得父节点数据
var treeData = JSON.parse(JSON.stringify(self.grid.treegrid('getData')).replace(/menuName/g, "text"));
treeData.unshift({ "id": 0, "text": "" });
//设置上级菜单下拉树
var gridOpt = $.data(self.grid.$element()[0], "datagrid").options;
var col = $.grep(gridOpt.columns[0], function (n) { return n.field == 'parentId' })[0];
col.editor = { type: 'combotree', options: { data: treeData } };
col.editor.options.onBeforeSelect = function (node) {
var isChild = utils.isInChild(treeData, row.id, node.id);
com.messageif(isChild, 'warning', '不能将自己或下级设为上级节点');
return !isChild;
};
//开始编辑行数据
self.grid.treegrid('beginEdit', row.id);
self.edit_id = row.id;
var eds = self.grid.treegrid('getEditors', row.id);
var edt = function (field) { return $.grep(eds, function (n) { return n.field == field })[0]; };
self.afterCreateEditors(edt);
}
};
this.grid = {
size: { w: 4, h: 40 },
url: rootPath+'/sys/menu!getAll.do',
idField: 'id',
queryParams: ko.observable(),
treeField: 'menuName',
loadFilter: function (d) {
d = utils.copyProperty(d.rows || d, ["iconClass"], ["iconCls"], false);
return utils.toTreeData(d, 'id', 'parentId', "children");
}
};
this.grid.onClickRow = function () {
var edit_id = self.edit_id;
if (!!edit_id) {
if (self.grid.treegrid('validateRow', edit_id)) { //通过验证
self.grid.treegrid('endEdit', edit_id);
self.edit_id = undefined;
}
else { //未通过验证
self.grid.treegrid('select', edit_id);
return false;
}
}
return true;
};
this.grid.onDblClickRow = self.editClick;
this.grid.OnBeforeDestroyEditor = function (editors, row) {
row.parentName = editors['parentId'].target.combotree('getText');
row.iconClass = editors["iconClass"].target.lookup('textbox').val();
};
this.refreshClick = function () {
window.location.reload();
};
this.addClick = function () {
if (self.grid.onClickRow()) {
var row = { id: '0', menuName:''};
self.grid.treegrid('append', { parent: '', data: [row] });
self.grid.treegrid('select', row.id);
self.grid.$element().data("datagrid").insertedRows.push(row);
self.editClick();
}
};
this.afterCreateEditors = function (editors) {
var iconInput = editors("iconClass").target;
var onShowPanel = function () {
iconInput.lookup('hidePanel');
com.dialog({
title: " 选择图标",
iconCls: 'icon-node_tree',
width: 700,
height: 500,
url: rootPath+"/view/sys/icon.html",
viewModel: function (w) {
w.find('#iconlist').css("padding", "5px");
w.find('#iconlist li').attr('style', 'float:left;border:1px solid #fff; line-height:20px; margin-right:4px;width:16px;cursor:pointer')
.click(function () {
iconInput.lookup('setValue',$(this).find('span').attr('class').split(" ")[1]);
w.dialog('close');
}).hover(function () {
$(this).css({ 'border': '1px solid red' });
}, function () {
$(this).css({ 'border': '1px solid #fff' });
});
}
});
};
iconInput.lookup({ customShowPanel: true, onShowPanel: onShowPanel, editable: true });
iconInput.lookup('resize', iconInput.parent().width());
iconInput.lookup('textbox').unbind();
};
this.deleteClick = function () {
var row = self.grid.treegrid('getSelected');
if (row) {
var childNodes = self.grid.treegrid('getChildren', row.id);
if(childNodes.length>0){
com.message('warning', '请先删除子菜单!');
return;
}
self.grid.$element().treegrid('remove', row.id);
self.grid.$element().data("datagrid").deletedRows.push(row);
}
};
this.saveClick = function () {
self.grid.onClickRow();
var post = {};
post.list = new com.editTreeGridViewModel(self.grid).getChanges(['id', 'menuName', 'parentId', 'iconClass', 'url', 'isVisible', 'isEnable', 'menuSeq']);
if (self.grid.onClickRow() && post.list._changed) {
com.ajax({
url: rootPath+'/sys/menu!edit.do',
contentType: 'application/json',
data: ko.toJSON(post),
success: function (d) {
com.message('success', '保存成功！');
self.grid.treegrid('acceptChanges');
self.grid.queryParams({});
}
});
}
};
}
var setButton = function (menuId) {
com.dialog({
title: "设置按钮",
width: 555,
height: 400,
html: "#button-template",
viewModel: function (w) {
var self = this;
com.loadCss(rootPath+'/content/css/metro/css/modern.css', parent.document);
this.buttons = ko.observableArray();
this.refresh = function () {
com.ajax({
url: rootPath+'/sys/button!getMenuButtons.do?menuId=' + menuId,
type: 'GET',
async: false,
success: function (d) {
self.buttons(ko.mapping.fromJS(d)());
}
});
};
this.refresh();
this.checkAll = ko.observable(false);
this.checkAll.subscribe(function (value) {
$.each(self.buttons(), function () {
this.selected(value ? 1 : 0);
});
});
this.buttonClick = function (row) {
row.selected(row.selected() ? 0 : 1);
};
this.confirmClick = function () {
var data = utils.filterProperties($.grep(self.buttons(), function (row) {
return row.selected() > 0;
}), ['id']);
com.ajax({
url: rootPath+'/sys/button!editMenuButtons.do?menuId=' + menuId,
data: ko.toJSON(data),
success: function (d) {
com.message('success', '保存成功！');
self.cancelClick();
}
});
};
this.manageClick = function () {
com.dialog({
title: "管理按钮库",
width: 600,
height: 410,
html: "#manage-template",
viewModel: function (w_sub) {
var that = this;
this.grid = {
width: 586,
height: 340,
pagination: false,
pageSize: 10,
url: rootPath+"/sys/button!getButtons.do",
queryParams: ko.observable()
};
this.cancelClick = function () {
w_sub.dialog('close');
};
this.gridEdit = new com.editGridViewModel(this.grid);
this.grid.OnAfterCreateEditor = function (editors, row) {
if (!row._isnew) com.readOnlyHandler('input')(editors["buttonCode"].target, true);
};
this.grid.onClickRow = that.gridEdit.ended;
this.grid.onDblClickRow = that.gridEdit.begin;
this.grid.toolbar = [
{ text: '新增', iconCls: 'icon-add', handler: function () { that.gridEdit.addnew(); } }, '-',
{ text: '编辑', iconCls: 'icon-edit', handler: that.gridEdit.begin }, '-',
{ text: '删除', iconCls: 'icon-cross', handler: that.gridEdit.deleterow }
];
this.confirmClick = function () {
if (!that.gridEdit.isChangedAndValid()) return;
var list = that.gridEdit.getChanges(['id', 'buttonCode', 'buttonName','buttonIcon', 'buttonSeq', 'description']);
com.ajax({
url: rootPath+'/sys/button!editbutton.do',
data: ko.toJSON({ list: list }),
success: function (d) {
that.cancelClick();
self.refresh();
com.message('success', '保存成功！');
}
});
};
}
});
};
this.cancelClick = function () {
w.dialog('close');
};
}
});
};二. 效果图
1. 访问：http://localhost:8080/ims/sys/menu.do，菜单导航主界面
2. 点击 设置按钮
3. 点击 管理按钮库