在manifest.json文件中添加下列配置

{
    ......
    /* 请求代理配置 */
    "h5" : {
        "template" : "static/index.html",
        "devServer" : {
            "proxy" : {
                "/dev-api" : {
                    "target" : "http://192.168.50.159:18080",
                    "changeOrigin" : true,
                    "pathRewrite" : {
                        "^/dev-api" : ""
                    }
                }
            }
        },
        "router" : {
            "mode" : "hash", // 路由模式
            "base" : "./"
        },
        "title" : "面试登记"
    }

}