• echarts柱状图


    <template>
      <div class="about">
        <!-- <h2>This is an aboutEchart page</h2> -->
        <div id="myChart" ref="myChart"></div>     
      </div>
    </template>
    <script>
    import echarts from '@/common/echarts'
    export default {
      name:'about',
      data(){
        return{
          Evaporation:[200.0, 4.9, 7.0, 23.2, 25.6],
          Precipitation:[200.8, 5.9, 9.0, 26.4, 28.7],
        }
      },
      mounted () {
             // 调用绘制图表的方法
             this.draw();
         },
      methods: {
          draw () {
              // 实例化echarts对象
    //let echarts=require("echarts") var myChart = echarts.init(this.$refs.myChart) function remToPx(rem) { const fontSize = document.documentElement.style.fontSize; return Math.floor(rem * fontSize.replace('px', '')); } // 绘制条形图 myChart.setOption({ title: { text: '某地区蒸发量和降水量', // subtext: '纯属虚构',//副标题 x:'center',//水平安放位置,默认为'left',可选为:'center' | 'left' | 'right' | {number}(x坐标,单位px)             y: 'top',//垂直安放位置,默认为top,可选为:'top' | 'bottom' | 'center' | {number}(y坐标,单位px)             textAlign: 'left',//水平对齐方式,默认根据x设置自动调整,可选为: left' | 'right' | 'center textStyle: {//主标题文本样式{"fontSize": 18,"fontWeight": "bolder","color": "#333"} //                 fontFamily: 'Arial, Verdana, sans...',                 fontSize: remToPx(0.4),                 fontStyle: 'normal',                 fontWeight: 'bolder', "color": "red",             } }, grid:{ //调节图表的内边距padding left:'1%', right:'10%', top:'15%', bottom:'15%', containLabel:true }, tooltip: { //提示框 show : true, trigger: 'axis', // position: [20, 20] textStyle:{ align:'left', color:'red', fontSize:remToPx(0.1), },
    axisPointer:{type:"none"}. //取消鼠标移入x轴辅助线 }, legend: { data: ['蒸发量', '降水量'], left: 'center',//图例的离左边位置,可以用像素,可以用百分比,也可以用center,right等 top: remToPx(3.6),//图例离顶部的位置 itemWidth: remToPx(0.2),//图例图标的宽 itemHeight: remToPx(0.2),//图例图标的高 textStyle: { // color: 'red',//文字的具体的颜色 fontSize: remToPx(0.2), fontWeight:'bold' },
    selectedMode:false //取消标题点击事件 }, toolbox: {//右上角提示图标 show: true, feature: { dataView: {show: true, readOnly: false}, magicType: {show: true, type: ['line', 'bar']}, restore: {show: true}, saveAsImage: {show: true} } }, calculable: true, xAxis: [ { type: 'category', name:'国家', nameLocation:'bottom', nameTextStyle:{ color:"red", fontSize:remToPx(0.2), padding:remToPx(3.4) }, data: ['日本', '韩国', '3月', '4月', '5月'], splitLine: {show: false},//去除网格分割线 axisTick: { show: false, //是否显示多出来的网状线 默认为true alignWithLabel: true }, //用于设置x下面的字体 axisLabel:{ show:true, //这里的show用于设置是否显示x轴下的字体 默认为true        interval:0, //可以设置成 0 强制显示所有标签。如果设置为 1,表示『隔一个标签显示一个标签』,如果值为 2,表示隔两个标签显示一个标签,以此类推。        textStyle:{ //textStyle里面写x轴下的字体的样式 color:'#333', fontSize:remToPx(0.2), fontWeight: 'bolder', } }, axisLine:{ show:true, //这里的show用于设置是否显示x轴那一条线 默认为true lineStyle:{ //lineStyle里面写x轴那一条线的样式 color:'#333', 2, //轴线的粗细 我写的是2 最小为0,值为0的时候线隐藏 } } }, ], yAxis: [ { type: 'value', name:'毫升ML', nameLocation:'top', nameTextStyle:{ color:"green", fontSize:remToPx(0.2), padding:remToPx(1.5) }, min:0, //y轴的最小值 max:250, //y轴最大值 interval:50, //值之间的间隔 //上面的三个值可以根据自己需求随意设置 不设置时会根据图中的值自动生成相应的值 splitLine:{show:false}, //网状线 默认为true //用于设置y轴的字体 axisLabel:{ show:true, //这里的show用于设置是否显示y轴下的字体 默认为true textStyle:{ //textStyle里面写y轴下的字体的样式 color:'#333', fontSize:remToPx(0.2), fontWeight: 'bolder', } }, //用于设置y轴的那一条线 axisLine:{ show:true, //这里的show用于设置是否显示y轴那一条线 默认为true lineStyle:{ //lineStyle里面写y轴那一条线的样式 color:'red', 2, //轴线的粗细 我写的是2 最小为0,值为0的时候线隐藏 } }, axisTick: { show: false, //是否显示数据网状线 默认为true alignWithLabel: true }, } ], series: [ { name: '蒸发量', type: 'bar', data: this.Evaporation, itemStyle: { normal: { color: new echarts.graphic.LinearGradient( 0, 0, 0, 1, [ {offset: 0, color: '#c2c2c2'}, //柱图渐变色 {offset: 0.7, color: '#ccc'}, //柱图渐变色 {offset: 1, color: '#fff'}, //柱图渐变色 ] ),//设置柱子颜色 label: { show: true,//柱子上显示值 position: 'top',//值在柱子上方显示 textStyle: { color: 'blue',//值得颜色 fontSize:remToPx(0.2) }, lineStyle:{ color:'#000' } } }, }, // barWidth: 150//设置柱子宽度,单位为px // markPoint: { //气泡 // data: [ // {type: 'max', name: '最大值'}, // {type: 'min', name: '最小值'} // ] // }, // markLine: { //添加线 // data: [ // {type: 'average', name: '平均值'} // ] // } }, { name: '降水量', type: 'bar', data: this.Precipitation, itemStyle: { normal: { color: new echarts.graphic.LinearGradient( 0, 0, 0, 1, [ {offset: 0, color: '#06B5D7'}, //柱图渐变色 {offset: 0.5, color: '#44C0C1'}, //柱图渐变色 {offset: 1, color: '#71C8B1'}, //柱图渐变色 ] ),//设置柱子颜色 label: { show: true,//柱子上显示值 position: 'top',//值在柱子上方显示 textStyle: { color: 'green',//值得颜色 fontSize:remToPx(0.2) }, lineStyle:{ color:'#000' } } }, } } ] }); } }, created(){ }, components: { } } </script> <style scoped> #myChart { 7.5rem; height: 4rem; /* margin: 20px auto; */ border: 1px solid red; padding-top: 0.1rem; } </style>

      

    <template>
      <div class="about">
        <!-- <h2>This is an aboutEchart page</h2> -->
        <div id="myChart" ref="myChart"></div>     
      </div>
    </template>
    <script>
    import echarts from '@/common/echarts'
    export default {
      name:'about',
      data(){
        return{
          Evaporation:[200.04.97.023.225.6],
          Precipitation:[200.85.99.026.428.7],
        }
      },
      mounted () {
             // 调用绘制图表的方法
             this.draw();
         },
      methods: {
          draw () {
              // 实例化echarts对象
              var myChart = echarts.init(this.$refs.myChart)
                function remToPx(rem) {
                    const fontSize = document.documentElement.style.fontSize;
                    return Math.floor(rem * fontSize.replace('px'''));
                }
              // 绘制条形图
              myChart.setOption({
                    title: {
                        text: '某地区蒸发量和降水量',
                        // subtext: '纯属虚构',//副标题
                        x:'center',//水平安放位置,默认为'left',可选为:'center' | 'left' | 'right' | {number}(x坐标,单位px)
                        y: 'top',//垂直安放位置,默认为top,可选为:'top' | 'bottom' | 'center' | {number}(y坐标,单位px)
                        textAlign: 'left',//水平对齐方式,默认根据x设置自动调整,可选为: left' | 'right' | 'center
                        textStyle: {//主标题文本样式{"fontSize": 18,"fontWeight": "bolder","color": "#333"}
            //                 fontFamily: 'Arial, Verdana, sans...',
                            fontSize: remToPx(0.4),
                            fontStyle: 'normal',
                            fontWeight: 'bolder',
                            "color": "red",
                        }
                    },
                    grid:{                 //调节图表的内边距padding
                        left:'1%',
                        right:'10%',
                        top:'15%',
                        bottom:'15%',
                        containLabel:true
                    },
                    tooltip: {               //提示框
                        show : true,
                        trigger: 'axis',
                        // position: [20, 20]
                        textStyle:{
                            align:'left',
                            color:'red',
                            fontSize:remToPx(0.1),
                            
                        },
                    },
                    legend: {
                        data: ['蒸发量''降水量'],
                        left: 'center',//图例的离左边位置,可以用像素,可以用百分比,也可以用center,right等
                        top: remToPx(3.6),//图例离顶部的位置
                        itemWidth: remToPx(0.2),//图例图标的宽
                        itemHeight: remToPx(0.2),//图例图标的高 
                        textStyle: {
                            // color: 'red',//文字的具体的颜色    
                            fontSize: remToPx(0.2),
                            fontWeight:'bold'    
                        }
                        
                    },
                    toolbox: {//右上角提示图标
                        show: true,
                        feature: {
                            dataView: {show: truereadOnly: false},
                            magicType: {show: truetype: ['line''bar']},
                            restore: {show: true},
                            saveAsImage: {show: true}
                        }
                    },
                    calculable: true,
                    xAxis: [
                        {
                            type: 'category',
                            name:'国家',
                            nameLocation:'bottom',
                            nameTextStyle:{
                                color:"red"
                                fontSize:remToPx(0.2),  
                                padding:remToPx(3.4)
                            },
                            data: ['日本''韩国''3月''4月''5月'],
                            splitLine: {show: false},//去除网格分割线
                            axisTick: {
                                show: false,  //是否显示多出来的网状线 默认为true
                                alignWithLabel: true
                            },
                            //用于设置x下面的字体
                            axisLabel:{
                                    show:true,  //这里的show用于设置是否显示x轴下的字体 默认为true
                               interval:0,  //可以设置成 0 强制显示所有标签。如果设置为 1,表示『隔一个标签显示一个标签』,如果值为 2,表示隔两个标签显示一个标签,以此类推。
                               textStyle:{   //textStyle里面写x轴下的字体的样式
                                      color:'#333',
                                      fontSize:remToPx(0.2),
                                      fontWeight: 'bolder',
                                    }
                              },
                            axisLine:{
                                show:true,  //这里的show用于设置是否显示x轴那一条线 默认为true
                                lineStyle://lineStyle里面写x轴那一条线的样式
                                  color:'#333',
                                  2,    //轴线的粗细 我写的是2 最小为0,值为0的时候线隐藏
                                  
                                }
                            }

                        },

                    ],
                    yAxis: [
                        {
                          type: 'value',
                          name:'毫升ML',
                        nameLocation:'top',
                        nameTextStyle:{
                            color:"green"
                            fontSize:remToPx(0.2),  
                            padding:remToPx(1.5)
                        },
                          min:0//y轴的最小值
                          max:250//y轴最大值 
                          interval:50//值之间的间隔
                          //上面的三个值可以根据自己需求随意设置 不设置时会根据图中的值自动生成相应的值
                          splitLine:{show:false}, //网状线 默认为true
                          //用于设置y轴的字体
                          axisLabel:{
                              show:true,  //这里的show用于设置是否显示y轴下的字体 默认为true
                              textStyle:{   //textStyle里面写y轴下的字体的样式
                                  color:'#333',
                                  fontSize:remToPx(0.2),
                                  fontWeight: 'bolder',
                              }
                          },
                            //用于设置y轴的那一条线
                          axisLine:{
                              show:true,  //这里的show用于设置是否显示y轴那一条线 默认为true
                              lineStyle://lineStyle里面写y轴那一条线的样式
                                color:'red',
                                2,    //轴线的粗细 我写的是2 最小为0,值为0的时候线隐藏
                              }
                          },
                          axisTick: {
                                show: false,  //是否显示数据网状线 默认为true
                                alignWithLabel: true
                            },


                        }
                    ],
                    series: [
                        {
                            name: '蒸发量',
                            type: 'bar',
                            data: this.Evaporation,
                            itemStyle: {
                                normal: {
                                    color: new echarts.graphic.LinearGradient(
                                        0001,
                                        [
                                            {offset: 0color: '#c2c2c2'},                   //柱图渐变色
                                            {offset: 0.7color: '#ccc'},                 //柱图渐变色
                                            {offset: 1color: '#fff'},                   //柱图渐变色
                                        ]
                                    ),//设置柱子颜色                 
                                    label: {
                                            show: true,//柱子上显示值
                                            position: 'top',//值在柱子上方显示                         
                                            textStyle: {
                                                color: 'blue',//值得颜色         
                                                fontSize:remToPx(0.2)               
                                            },
                                            lineStyle:{
                                              color:'#000'
                                            }

                                      }
                                },
                            
                            },
                           
                            // barWidth: 150//设置柱子宽度,单位为px
                            // markPoint: {                           //气泡
                            //     data: [
                            //         {type: 'max', name: '最大值'},
                            //         {type: 'min', name: '最小值'}
                            //     ]
                            // },
                            // markLine: {                            //添加线     
                            //     data: [
                            //         {type: 'average', name: '平均值'}
                            //     ]
                            // }
                        },
                        {
                            name: '降水量',
                            type: 'bar',
                            data: this.Precipitation,
                            itemStyle: {
                                normal: {
                                    color: new echarts.graphic.LinearGradient(
                                        0001,
                                        [
                                            {offset: 0color: '#06B5D7'},                   //柱图渐变色
                                            {offset: 0.5color: '#44C0C1'},                 //柱图渐变色
                                            {offset: 1color: '#71C8B1'},                   //柱图渐变色
                                        ]
                                    ),//设置柱子颜色                 
                                    label: {
                                            show: true,//柱子上显示值
                                            position: 'top',//值在柱子上方显示                         
                                            textStyle: {
                                                color: 'green',//值得颜色         
                                                fontSize:remToPx(0.2)             
                                            },
                                            lineStyle:{
                                              color:'#000'
                                            }

                                      }
                                },
                            
                            }
                        }
                    ]

              });

              

          }

      },
      created(){
      },
      components: {
      }
      
    }
    </script>
    <style scoped>
    #myChart {
             width7.5rem;
             height4rem;
             /* margin: 20px auto; */
             border1px solid red;
             padding-top0.1rem;
         }
    </style>
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  • 原文地址:https://www.cnblogs.com/xzybk/p/12566417.html
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