【Vue 开发实战】实战篇 # 35：如何高效地使用Mock数据进行开发

let random = require("lodash/random");
function chart(method) {
    let res = null;
    switch (method) {
        case "GET":
            res = [...new Array(6)].map(() => random(100));
            break;
        default:
            res = null;
    }
    return res;
}
module.exports = chart;

<template>
    <div>
        <Chart :option="chartOption" style="width: 600px; height: 400px;"/>
    </div>
</template>
<script>
import Chart from "@/components/Chart.vue";
import axios from "axios";
export default {
    data() {
        return {
            chartOption: {}
        }
    },
    components: {
        Chart
    },
    mounted() {
        this.getChartData();
        this.interval = setInterval(() => {
            this.getChartData();
        }, 3000);
    },
    beforeDestroy() {
        clearInterval(this.interval);
    },
    methods: {
        getChartData() {
            axios.get("/api/dashboard/chart", {
                params: {
                    id: "kaimo313"
                }
            }).then(response => {
                this.chartOption = {
                    title: {
                        text: 'ECharts 入门示例'
                    },
                    tooltip: {},
                    legend: {
                        data: ['销量']
                    },
                    xAxis: {
                        data: ['衬衫', '羊毛衫', '雪纺衫', '裤子', '高跟鞋', '袜子']
                    },
                    yAxis: {},
                    series: [
                        {
                            name: '销量',
                            type: 'bar',
                            data: response.data
                        }
                    ]
                }
            })
        }
    },
};
</script>
<style></style>

module.exports = {
    lintOnSave: false,
    css: {
        loaderOptions: {
            less: {
                javascriptEnabled: true
            },
        }
    },
    devServer: {
        proxy: {
            // '@(/api)': { target: 'http://localhost:3000',
            '/api': {
                target: 'http://localhost:8080',
                bypass: function (req, res, proxyOptions) {
                    if (req.headers.accept.indexOf('html') !== -1) {
                        console.log('Skipping proxy for browser request.');
                        return '/index.html';
                    } else {
                        // 将请求url转为文件名
                        const name = req.path.split("/api/")[1].split("/").join("_");
                        const mock = require(`./mock/${name}`);
                        const result = mock(req.method);
                        // 需要清除缓存
                        delete require.cache[require.resolve(`./mock/${name}`)];
                        return res.send(result);
                    }
                },
            },
        },
    },
}