|  |  | 
|  | <!-- | 
|  | Licensed to the Apache Software Foundation (ASF) under one | 
|  | or more contributor license agreements.  See the NOTICE file | 
|  | distributed with this work for additional information | 
|  | regarding copyright ownership.  The ASF licenses this file | 
|  | to you under the Apache License, Version 2.0 (the | 
|  | "License"); you may not use this file except in compliance | 
|  | with the License.  You may obtain a copy of the License at | 
|  |  | 
|  | http://www.apache.org/licenses/LICENSE-2.0 | 
|  |  | 
|  | Unless required by applicable law or agreed to in writing, | 
|  | software distributed under the License is distributed on an | 
|  | "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | 
|  | KIND, either express or implied.  See the License for the | 
|  | specific language governing permissions and limitations | 
|  | under the License. | 
|  | --> | 
|  |  | 
|  | <html> | 
|  | <head> | 
|  | <meta charset="utf-8"> | 
|  | <script src="lib/simpleRequire.js"></script> | 
|  | <script src="lib/config.js"></script> | 
|  | <meta name="viewport" content="width=device-width, initial-scale=1" /> | 
|  | </head> | 
|  | <body> | 
|  | <style> | 
|  | html, body, #main { | 
|  | width: 100%; | 
|  | height: 100%; | 
|  | margin: 0; | 
|  | } | 
|  | #main { | 
|  | background: #fff; | 
|  | } | 
|  | </style> | 
|  |  | 
|  | <p>select</p> | 
|  | <button onclick="select('A')">A</button> | 
|  | <button onclick="select(1)">B</button> | 
|  | <p>unselect</p> | 
|  | <button onclick="unselect(0)">A</button> | 
|  | <button onclick="unselect('B')">B</button> | 
|  |  | 
|  | <div id="main"></div> | 
|  | <script> | 
|  |  | 
|  | require([ | 
|  | 'echarts' | 
|  | ], function (echarts) { | 
|  |  | 
|  |  | 
|  | chart = echarts.init( | 
|  | document.getElementById('main'), | 
|  | null, | 
|  | { | 
|  |  | 
|  | } | 
|  | ); | 
|  |  | 
|  | chart.setOption({ | 
|  | series: [{ | 
|  | type: 'pie', | 
|  | selectedMode:'single', | 
|  | data: [{ | 
|  | value: 100, | 
|  | name: 'A' | 
|  | }, { | 
|  | value: 200, | 
|  | name: 'B' | 
|  | }, { | 
|  | value: 300, | 
|  | name: 'C' | 
|  | }, { | 
|  | value: 400, | 
|  | name: 'D' | 
|  | }] | 
|  | }] | 
|  | }); | 
|  | }); | 
|  |  | 
|  | function select(name) { | 
|  | if (typeof name === 'string') { | 
|  | chart.dispatchAction({ | 
|  | type: 'pieSelect', | 
|  | name: name | 
|  | }); | 
|  | } | 
|  | else { | 
|  | chart.dispatchAction({ | 
|  | type: 'pieSelect', | 
|  | dataIndex: name | 
|  | }); | 
|  | } | 
|  | } | 
|  |  | 
|  | function unselect(name) { | 
|  | if (typeof name === 'string') { | 
|  | chart.dispatchAction({ | 
|  | type: 'pieUnSelect', | 
|  | name: name | 
|  | }); | 
|  | } | 
|  | else { | 
|  | chart.dispatchAction({ | 
|  | type: 'pieUnSelect', | 
|  | dataIndex: name | 
|  | }); | 
|  | } | 
|  | } | 
|  | </script> | 
|  | </body> | 
|  | </html> |