怎么动态改变elementUI导航条的百分比数字颜色

 <template scope="scope" :style="{'color': customColor}">

<el-progress

:percentage="scope.row.rate"

type="line"

:color="customColorMethod"

:show-text="false"

class="progress">

</el-progress>

<span class="progress-text" >{{ scope.row.rate }}%</span>

</template>

怎么动态改变elementUI导航条的百分比数字颜色

没有使用elementUI原生的百分比数字,因为不知道怎么改,就自己加了个span
:style绑在span上的话,会全部更改,想要的是随着进度不同,会变成不同的颜色,与进度条同色,要如何实现


回答:

<template>

<div id="app">

<el-progress :percentage="percentage" :color="customColor"></el-progress>

<span :style="{'color': customColor}">{{percentage}}%</span>

<div>

<el-button-group>

<el-button icon="el-icon-minus" @click="decrease"></el-button>

<el-button icon="el-icon-plus" @click="increase"></el-button>

</el-button-group>

</div>

</div>

</template>

<script>

var Main = {

data() {

return {

percentage: 20

};

},

computed: {

customColor() {

if (this.percentage < 30) {

return "#909399";

} else if (this.percentage < 70) {

return "#e6a23c";

} else {

return "#67c23a";

}

}

},

methods: {

increase() {

this.percentage += 10;

if (this.percentage > 100) {

this.percentage = 100;

}

},

decrease() {

this.percentage -= 10;

if (this.percentage < 0) {

this.percentage = 0;

}

}

}

};

</script>

用计算属性存颜色计算结果,既能复用逻辑又能缓存避免多次计算。


回答:

<span :class="getClass(p)">{{percent}}>/span>
methods:{
getClass(n){

  if(n<20) return 'green'

if(n>20&&n<40) return 'blue'

if(n>40&&n<80) return 'yellow'

if(n>80&&n<95) return 'orange'

if(n>=95&&n<=100) return 'red'

}
}
调用的时候传入对应的变量就行了


回答:

<el-table-column prop="rate" label="使用率">

<template scope="scope">

<el-progress

:percentage="scope.row.rate"

type="line"

:color="customColor"

:show-text="false"

class="progress"

>

</el-progress>

<span class="progress-text" :style="{color: customColor(scope.row.rate)}">{{ scope.row.rate }}%</span>

</template>

</el-table-column>

进度条与文字公用同一个methods,来判断颜色,两处都要传值进去(重要)

methods: {

customColor(percentage) {

if (percentage < 40) {

return "grenn";

} else if (percentage < 80 && percentage >= 40) {

return "blue";

} else if (percentage < 95 && percentage >= 80) {

return "yellow";

} else if (percentage < 100 && percentage >= 95) {

return "orign";

} else {

return "red";

}

},

}

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