element 默认当前月的第一天和最后一天

 <el-form-item>

          <el-date-picker

            v-model="dateTime"

            type="daterange"

            value-format="yyyy-MM-dd"

            range-separator="至"

            start-placeholder="开始日期"

            end-placeholder="结束日期">

          </el-date-picker>

        </el-form-item>

 

data:[]

 

created(){

　　

this.getTimeMonth();

}

 methods: {

      getTimeMonth(){

        let myDate = new Date();

        let month = myDate.getMonth() + 1;

        month = month < 10 ? "0" + month : month;   //格式化月份，补0

        let statDateStart = myDate.getFullYear().toString()+"-" + month+"-" + "01"; //月初

        let dayEnd = new Date(myDate.getFullYear(), month, 0).getDate(); //获取当月一共有多少天

        let statDateEnd = myDate.getFullYear().toString()+"-" + month+"-" + dayEnd; //月末

        this.dateTime.push(statDateStart, statDateEnd);

        this.dateTime[0] =statDateStart;

        this.dateTime[1] = statDateEnd;

      },

}