代码如下:

    <el-input  v-model="famount" placeholder="请输入内容"   @keyup.native="number"></el-input>
    methods:{
  number(){  
    this.famount=this.famount.replace(/[^\.\d]/g,'');
            this.famount=this.famount.replace('.','');
  }
 }
    

转载于:https://www.cnblogs.com/happybread/p/9327894.html

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