解决ThinkPHP5.1版本引入composer vendor扩展包的问题

下面给大家介绍解决ThinkPHP5.1版本引入composer vendor扩展包的问题，希望对需要的朋友有所帮助！

版本说明

旧版本：ThinkPHP5.0

新版本：ThinkPHP5.1

问题：TP5.1 中取消了 Loader::import 方法以及import和vendor助手函数，全部采用命名空间和自动加载机制，导致引入类库找不到报错

解决：因为“全部采用命名空间和自动加载机制”，所以对 composer/installed.json 做了修改（文字说明在下方注释中）

{
    "name": "curl/curl",
    "version": "2.3.0",
    "version_normalized": "2.3.0.0",
    "source": {
        "type": "git",
        "url": "https://github.com/php-mod/curl.git",
        "reference": "3ad560b1fc1bbdf5c7681356ab953fb961f255e5"
    },
    "dist": {
        "type": "zip",
        "url": "https://api.github.com/repos/php-mod/curl/zipball/3ad560b1fc1bbdf5c7681356ab953fb961f255e5",
        "reference": "3ad560b1fc1bbdf5c7681356ab953fb961f255e5",
        "shasum": ""
    },
    "require": {
        "ext-curl": "*",
        "php": "^5.6 | ^7.0"
    },
    "require-dev": {
        "phpunit/phpunit": "^5.7",
        "squizlabs/php_codesniffer": "~2.1"
    },
    "time": "2020-03-19T20:07:26+00:00",
    "type": "library",
    "installation-source": "dist",
    "autoload": {
        "psr-0": {
            "Curl": "src/"
        },
        //在此处添加 files 字段，把类库文件的相对路径填入
        "files":[
            "vendor/curl/curl/src/Curl/Curl.php"
        ]
    },
    "notification-url": "https://packagist.org/downloads/",
    "license": [
        "MIT"
    ],
    "authors": [
        {
            "name": "php-curl-class",
            "homepage": "https://github.com/php-curl-class"
        },
        {
            "name": "Hassan Amouhzi",
            "email": "hassan@anezi.net",
            "homepage": "http://hassan.amouhzi.com"
        },
        {
            "name": "user52",
            "homepage": "https://github.com/user52"
        }
    ],
    "description": "cURL class for PHP",
    "homepage": "https://github.com/php-mod/curl",
    "keywords": [
        "curl",
        "dot"
    ]
}