[Vue warn]: Avoid mutating a prop directly since the value will be overwritten whenever the parent .（一）

<template>
    <div class="about">
        <el-container>
            <el-aside width="200px">Aside</el-aside>
            <el-container>
                <el-header>Header</el-header>
                <el-main>
                    <OneC :tableData="tableData"></OneC>
                </el-main>
                <el-footer>Footer</el-footer>
            </el-container>
        </el-container>
    </div>
</template>
<script>
import OneC from "@/components/OneC.vue"
export default {
    name: 'WorkspaceJsonAboutView',
    components: {
        OneC
    },
    data () {
        return {
            tableData: [{
                date: '2016-05-02',
                name: '王小虎',
                address: '上海市普陀区金沙江路 1518 弄'
            }, {
                date: '2016-05-04',
                name: '王小虎',
                address: '上海市普陀区金沙江路 1517 弄'
            }, {
                date: '2016-05-01',
                name: '王小虎',
                address: '上海市普陀区金沙江路 1519 弄'
            }, {
                date: '2016-05-03',
                name: '王小虎',
                address: '上海市普陀区金沙江路 1516 弄'
            }]
        };
    },
    mounted () {
    },
    methods: {
    },
};
</script>

<template>
    <div class="onec">
        <el-table :data="tableData" style="width: 100%">
            <el-table-column prop="date" label="日期" width="180">
            </el-table-column>
            <el-table-column prop="name" label="姓名" width="180">
            </el-table-column>
            <el-table-column prop="address" label="地址">
            </el-table-column>
        </el-table>
    </div>
</template>
<script>
export default {
    name: 'HelloWorld',
    props: {
        tableData: {
            type: Array
        }
    },
    data () {
        return {
        }
    },
    mounted () {
        this.tableData = [
            {
                date: '2016-05-02',
                name: '大飞',
                address: '上海市普陀区金沙江路 1518 弄'
            }, {
                date: '2016-05-04',
                name: '大飞',
                address: '上海市普陀区金沙江路 1517 弄'
            }, {
                date: '2016-05-01',
                name: '大飞',
                address: '上海市普陀区金沙江路 1519 弄'
            }, {
                date: '2016-05-03',
                name: '大飞',
                address: '上海市普陀区金沙江路 1516 弄'
            }
        ]
    },
}
</script>