composer | 加载autoload配置

//引用的其他类库
"require": {
        "php": ">=5.4.0",
        "topthink/framework": "5.0.*",
        "topthink/think-captcha": "1.*",
        "topthink/think-mongo": "1.*",
        "topthink/think-image": "1.*",
        "topthink/think-queue": "1.*",
        "topthink/think-migration": "1.*",
        "topthink/think-oracle": "1.*"
    },
//自动加载项
    "autoload": {
          //系统启动时自动加载的文件
        "files":[
          "con/function.php"
          ],
        "psr-4": {
            "app\\": "application",
            "ven\\": "vendor"
        }
    },

composer dump