• native-echarts 图形组件


    import React, {Component} from 'react';
    import {
        AppRegistry,
        StyleSheet,
        Text,
        Button,
        View,
        TouchableOpacity,
        Dimensions,
    } from 'react-native';
    import Echarts from 'native-echarts';
    let {width,height} =Dimensions.get('window')
    export default class EchartsTest extends Component {
    
        constructor(props) {
            super(props);
    
            this.state ={
                numDataY:["2", "53", "24", "6", "100", "20",'30'],
                othernumDataY:["10", "40", "20", "80", "120", "25",'5'],
            }
        }
        render() {
            const option= {
                //图形位置样式
                    grid:{
                        right:15,
                        bottom:30,
                    },
                    title: {
                        text: '访客数量',
                            textStyle:{
                            color:'#8e8e93',
                            fontSize:14,
                            padding:[10,0,0,10],
                        },
                        top:0,
                        left:5,
                    },
                    //点击图形某个位置的显示弹框
                    tooltip: {
                        trigger:'axis',
                    },
                    //统计数据的种类切换
                    legend: {
                        orient:'vertical',
                        data: [{name:'访客数量',icon: 'circle',},{name:'付款金额',icon: 'circle'}],
                        selectedMode:'multiple',
                        backgroundColor:'#fff',
                        align:'left',
                        right:20,//距离右边界20
                        top:5,
                    },
                    toolbox:{
                            orient:'vertical',
                            show:true,
                            showTitle:true,
                            feature:{
                            magicType:{
                                type: 'bar',
                            },
                        },
                    },
                    xAxis: [
                        {
                            axisTick:{
                                show:true,
                                alignWithLabel:true,
                            },
                            data: ["周一", "周二", "周三", "周四", "周五", "周六","周日"],
                        }
                    ],
                    yAxis: [
                        {
                            axisTick:{
                                show:false,
                                alignWithLabel:false,
                            },
                            nameLocation:'end',
                            nameTextStyle:{
                                color:'#8e8e93',
                                fontSize:12,
                                align:'right',
                                padding:[0,0,0,10],
                                left:10,
                            },
                            interval:0,//强制分割间隔
                            nameGap:15,
                            name:'访客数量(个)',
                            offset:-5,
                        }
                    ],
                    color:['#e62129','#007aff'],
                    //数据配置
                    series: [
                        {
                        name: '访客数量',
                        type: 'bar',
                        data:this.state.numDataY ,
                        },
                        {
                            name: '付款金额',
                            type: 'line',
                            data:this.state.othernumDataY ,
                        }
                    ]
                }
            return (
                <View style={styles.container}>
                    <Echarts option={option}
                             height={200}
                    />
                </View>
            );
        }
    }
    const styles = StyleSheet.create({
        container: {
            flex: 1,
            backgroundColor: '#f9f9f9',
        },
        echartstyle: {
            height: 50,
             100,
        },
        button: {
            backgroundColor: '#d9534f',
            padding: 8,
            borderRadius: 4,
            marginBottom: 20
        }
    });

    首先这个组件在模拟器上和debug模式下是没有任何问题但是但是在安卓打包apk运行时,显示出问题一片空白,看源码

     <View style={{flex: 1, height: this.props.height || 400,}}>
            <WebView
              ref="chart"
              scrollEnabled = {false}
              injectedJavaScript = {renderChart(this.props)}
              style={{
                height: this.props.height || 400,
              }}
              source={require('./tpl.html')}
            />
          </View>

    Echarts用的webView然后引入一个文件,而这个文件的路径对于ios来说是没有问题的,但是在安卓来说这个路径就是错误的,那就在安卓里没有这个文件,所以copy一个tpl文件,复制到如下路径

    然后在修改一下webView的source

     const source = (Platform.OS == 'ios') ? require('./tpl.html') : {'uri':'file:///android_asset/tpl.html'}
        return (
          <View style={{flex: 1, height: this.props.height || 400,}}>
            <WebView
              ref="chart"
              scrollEnabled = {false}
              injectedJavaScript = {renderChart(this.props)}
              style={{
                height: this.props.height || 400,
              }}
              source={source}
            />
          </View>

    重新编译一下原始代码重新运行就ok,(太特么坑爹了),

    补充一点,之后碰到上面改过之后还是显示不了,还是空白,后来在option把function()或()=>{}及属性:函数,就显示不了。坑死了

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  • 原文地址:https://www.cnblogs.com/liangxiblog/p/7928982.html
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