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                ??碼云GVP開源項目 12k star Uniapp+ElementUI 功能強大 支持多語言、二開方便! 廣告
                #### 基礎 > 使用 drawEChart 直接渲染數據 html ~~~ <div class="canvas-box echart-canvas-01"></div> ~~~ js ~~~ var drawData = { echart_data : [{"title":"基礎知識","get_score":11},{"title":"加分知識","get_score":12},{"title":"未分組","get_score":8}], echart_config : {title:"分組得分占比圖",type:"pie",name_key:"title",value_key:"get_score"} }; $('.canvas-box echart-canvas-01').drawEChart(drawData); ~~~ #### 異步 > 使用 getDrawEChart 請求url獲取數據并渲染圖表 配置參數說明 ~~~ var defaultSetting = { 'url':'', // 數據請求地址 'param':{}, // 數據請求附加參數 'data_key':null, // 數據字段key,多層用 . 號進行分割 'success_key':'code', // 數據請求成功標識字段名 'success_val':'1', // 數據請求成功標識字段值 'success':null, // 數據請求成功回調函數 'drow_data':{ // 圖表配置(參考入門說明) echart_data : [], echart_config : {}, echart_option : {} } }; var setting = $.extend(defaultSetting,option); ~~~ html ~~~ <div class="canvas-box echart-canvas-01"></div> <div class="canvas-box echart-canvas-02"></div> <div class="canvas-box echart-canvas-03"></div> ~~~ ###### js 簡單綁定數據 / url標簽綁定 (一) 簡單數據格式請求 ~~~ <div class="echart-canvas canvas-box echart-canvas-01-01" echart-url='./data_simple.js' echart-config='{data_name:"分值占比",type:"pie",name_key:"title",value_key:"get_score"}'></div> ~~~ 完整數據格式請求 ~~~ <div class="echart-canvas canvas-box echart-canvas-01-02" echart-ajax='{url:"./data_profession.js",success_key:"code",success_val:1,data_key:"dataset"}' echart-config='{data_name:"分值占比",type:"pie",name_key:"title",value_key:"get_score"}'></div> ~~~ ###### js 簡單定義數據 (二) ~~~ // data_simple.js 在 demo中返回數據為:[{"title":"基礎知識","get_score":11},{"title":"加分知識","get_score":12},{"title":"未分組","get_score":8}] $('.echart-canvas-02').getDrawEChart({ 'url' : './data_simple.js', 'drow_data' : { echart_config : {title:"分組得分占比圖",type:"pie",name_key:"title",value_key:"get_score"} } }); ~~~ ###### js 復雜請求數據 (三) ~~~ // data_profession.js 在 demo中返回數據為:{"code":1,"dataset":[{"title":"基礎知識","get_score":5},{"title":"加分知識","get_score":10},{"title":"未分組","get_score":5}]} $('.echart-canvas-04').getDrawEChart({ 'url' : './data_profession.js', 'type' : 'POST', 'data' : {p:1}, 'success_key' : 'code', // 數據請求成功標識字段名 'success_val' : '1', // 數據請求成功標識字段值 'data_key' : 'dataset', // 數據使用字段 'drow_data' : { echart_config : {title:"分組得分占比圖",type:"pie",name_key:"title",value_key:"get_score"} } }); ~~~ ###### 異步多圖 > 使用場景為同一個數據源的數據,使用不同類型的圖表展示,異步請求只進行一次。 js ~~~ // 待完善... ~~~ ###### 定時刷新 js ~~~ // 待完善... ~~~ ###### 切換配置 js ~~~ // 待完善... ~~~
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