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速战速决 (6) - PHP: 获取 http 请求数据, 获取 get 数据 和 post 数据, json 字符串与对象之间的相互转换 - webabcd

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速战速决 (6) - PHP: 获取 http 请求数据, 获取 get 数据 和 post 数据, json 字符串与对象之间的相互转换



作者：webabcd


介绍
速战速决 之 PHP

  • 获取 http 请求数据
  • 获取 get 数据 和 post 数据
  • json 字符串与对象之间的相互转换



示例
1、获取 http 请求数据
http/http1.php

<span style="color: #000000;">php
</span><span style="color: #008000;">/*</span><span style="color: #008000;">*
 * 获取 http 请求数据
 </span><span style="color: #008000;">*/</span>

<span style="color: #008000;">//</span><span style="color: #008000;"> 通过 $_SERVER 获取相关数据</span>
<span style="color: #0000ff;">echo</span> "PHP_SELF : " . <span style="color: #800080;">$_SERVER</span>['PHP_SELF'] . "<br>"<span style="color: #000000;">;
</span><span style="color: #0000ff;">echo</span> "GATEWAY_INTERFACE : " . <span style="color: #800080;">$_SERVER</span>['GATEWAY_INTERFACE'] . "<br>"<span style="color: #000000;">;
</span><span style="color: #0000ff;">echo</span> "SERVER_ADDR : " . <span style="color: #800080;">$_SERVER</span>['SERVER_ADDR'] . "<br>"<span style="color: #000000;">;
</span><span style="color: #0000ff;">echo</span> "SERVER_NAME : " . <span style="color: #800080;">$_SERVER</span>['SERVER_NAME'] . "<br>"<span style="color: #000000;">;
</span><span style="color: #0000ff;">echo</span> "SERVER_SOFTWARE : " . <span style="color: #800080;">$_SERVER</span>['SERVER_SOFTWARE'] . "<br>"<span style="color: #000000;">;
</span><span style="color: #0000ff;">echo</span> "SERVER_PROTOCOL : " . <span style="color: #800080;">$_SERVER</span>['SERVER_PROTOCOL'] . "<br>"<span style="color: #000000;">;
</span><span style="color: #0000ff;">echo</span> "REQUEST_METHOD : " . <span style="color: #800080;">$_SERVER</span>['REQUEST_METHOD'] . "<br>"<span style="color: #000000;">;
</span><span style="color: #0000ff;">echo</span> "REQUEST_TIME : " . <span style="color: #800080;">$_SERVER</span>['REQUEST_TIME'] . "<br>"<span style="color: #000000;">;
</span><span style="color: #0000ff;">echo</span> "REQUEST_TIME_FLOAT : " . <span style="color: #800080;">$_SERVER</span>['REQUEST_TIME_FLOAT'] . "<br>"<span style="color: #000000;">;
</span><span style="color: #0000ff;">echo</span> "QUERY_STRING : " . <span style="color: #008080;">htmlspecialchars</span>(<span style="color: #800080;">$_SERVER</span>['QUERY_STRING']) . "<br>"<span style="color: #000000;">;
</span><span style="color: #0000ff;">echo</span> "DOCUMENT_ROOT : " . <span style="color: #800080;">$_SERVER</span>['DOCUMENT_ROOT'] . "<br>"<span style="color: #000000;">;
</span><span style="color: #0000ff;">echo</span> "HTTP_ACCEPT : " . <span style="color: #800080;">$_SERVER</span>['HTTP_ACCEPT'] . "<br>"<span style="color: #000000;">;
</span><span style="color: #0000ff;">echo</span> "HTTP_ACCEPT_CHARSET : " . <span style="color: #800080;">$_SERVER</span>['HTTP_ACCEPT_CHARSET'] . "<br>"<span style="color: #000000;">;
</span><span style="color: #0000ff;">echo</span> "HTTP_ACCEPT_ENCODING : " . <span style="color: #800080;">$_SERVER</span>['HTTP_ACCEPT_ENCODING'] . "<br>"<span style="color: #000000;">;
</span><span style="color: #0000ff;">echo</span> "HTTP_ACCEPT_LANGUAGE : " . <span style="color: #800080;">$_SERVER</span>['HTTP_ACCEPT_LANGUAGE'] . "<br>"<span style="color: #000000;">;
</span><span style="color: #0000ff;">echo</span> "HTTP_CONNECTION : " . <span style="color: #800080;">$_SERVER</span>['HTTP_CONNECTION'] . "<br>"<span style="color: #000000;">;
</span><span style="color: #0000ff;">echo</span> "HTTP_HOST : " . <span style="color: #800080;">$_SERVER</span>['HTTP_HOST'] . "<br>"<span style="color: #000000;">;
</span><span style="color: #0000ff;">echo</span> "HTTP_REFERER : " . <span style="color: #800080;">$_SERVER</span>['HTTP_REFERER'] . "<br>"<span style="color: #000000;">;
</span><span style="color: #0000ff;">echo</span> "HTTP_USER_AGENT : " . <span style="color: #800080;">$_SERVER</span>['HTTP_USER_AGENT'] . "<br>"<span style="color: #000000;">;
</span><span style="color: #0000ff;">echo</span> "HTTPS : " . <span style="color: #800080;">$_SERVER</span>['HTTPS'] . "<br>"<span style="color: #000000;">;
</span><span style="color: #0000ff;">echo</span> "REMOTE_ADDR : " . <span style="color: #800080;">$_SERVER</span>['REMOTE_ADDR'] . "<br>"<span style="color: #000000;">;
</span><span style="color: #0000ff;">echo</span> "REMOTE_HOST : " . <span style="color: #800080;">$_SERVER</span>['REMOTE_HOST'] . "<br>"<span style="color: #000000;">;
</span><span style="color: #0000ff;">echo</span> "REMOTE_PORT : " . <span style="color: #800080;">$_SERVER</span>['REMOTE_PORT'] . "<br>"<span style="color: #000000;">;
</span><span style="color: #0000ff;">echo</span> "REMOTE_USER : " . <span style="color: #800080;">$_SERVER</span>['REMOTE_USER'] . "<br>"<span style="color: #000000;">;
</span><span style="color: #0000ff;">echo</span> "REDIRECT_REMOTE_USER : " . <span style="color: #800080;">$_SERVER</span>['REDIRECT_REMOTE_USER'] . "<br>"<span style="color: #000000;">;
</span><span style="color: #0000ff;">echo</span> "SCRIPT_FILENAME : " . <span style="color: #800080;">$_SERVER</span>['SCRIPT_FILENAME'] . "<br>"<span style="color: #000000;">;
</span><span style="color: #0000ff;">echo</span> "SERVER_ADMIN : " . <span style="color: #800080;">$_SERVER</span>['SERVER_ADMIN'] . "<br>"<span style="color: #000000;">;
</span><span style="color: #0000ff;">echo</span> "SERVER_PORT : " . <span style="color: #800080;">$_SERVER</span>['SERVER_PORT'] . "<br>"<span style="color: #000000;">;
</span><span style="color: #0000ff;">echo</span> "SERVER_SIGNATURE : " . <span style="color: #800080;">$_SERVER</span>['SERVER_SIGNATURE'] . "<br>"<span style="color: #000000;">;
</span><span style="color: #0000ff;">echo</span> "PATH_TRANSLATED : " . <span style="color: #800080;">$_SERVER</span>['PATH_TRANSLATED'] . "<br>"<span style="color: #000000;">;
</span><span style="color: #0000ff;">echo</span> "SCRIPT_NAME : " . <span style="color: #800080;">$_SERVER</span>['SCRIPT_NAME'] . "<br>"<span style="color: #000000;">;
</span><span style="color: #0000ff;">echo</span> "REQUEST_URI : " . <span style="color: #008080;">htmlspecialchars</span>(<span style="color: #800080;">$_SERVER</span>['REQUEST_URI']) . "<br>"<span style="color: #000000;">;
</span><span style="color: #0000ff;">echo</span> "PHP_AUTH_DIGEST : " . <span style="color: #800080;">$_SERVER</span>['PHP_AUTH_DIGEST'] . "<br>"<span style="color: #000000;">;
</span><span style="color: #0000ff;">echo</span> "PHP_AUTH_USER : " . <span style="color: #800080;">$_SERVER</span>['PHP_AUTH_USER'] . "<br>"<span style="color: #000000;">;
</span><span style="color: #0000ff;">echo</span> "PHP_AUTH_PW : " . <span style="color: #800080;">$_SERVER</span>['PHP_AUTH_PW'] . "<br>"<span style="color: #000000;">;
</span><span style="color: #0000ff;">echo</span> "AUTH_TYPE : " . <span style="color: #800080;">$_SERVER</span>['AUTH_TYPE'] . "<br>"<span style="color: #000000;">;
</span><span style="color: #0000ff;">echo</span> "PATH_INFO : " . <span style="color: #800080;">$_SERVER</span>['PATH_INFO'] . "<br>"<span style="color: #000000;">;
</span><span style="color: #0000ff;">echo</span> "ORIG_PATH_INFO : " . <span style="color: #800080;">$_SERVER</span>['ORIG_PATH_INFO'] . "<br>";
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2、获取 get 数据 和 post 数据
http/http2.php

<span style="color: #000000;">php
</span><span style="color: #008000;">/*</span><span style="color: #008000;">*
 * 获取 get 数据 和 post 数据
 </span><span style="color: #008000;">*/</span>

<span style="color: #008000;">//</span><span style="color: #008000;"> 获取 url 参数（get 数据）</span>
<span style="color: #800080;">$params</span> = getQueryParams(<span style="color: #800080;">$_SERVER</span>['QUERY_STRING'<span style="color: #000000;">]);
</span><span style="color: #0000ff;">echo</span> "param1: " . <span style="color: #800080;">$params</span>["param1"<span style="color: #000000;">];
</span><span style="color: #0000ff;">echo</span> "<br>"<span style="color: #000000;">;
</span><span style="color: #0000ff;">echo</span> "param2: " . <span style="color: #800080;">$params</span>["param2"<span style="color: #000000;">];
</span><span style="color: #0000ff;">echo</span> "<br>"<span style="color: #000000;">;

</span><span style="color: #0000ff;">function</span> getQueryParams(<span style="color: #800080;">$query</span><span style="color: #000000;">)
{
    </span><span style="color: #800080;">$queryParts</span> = <span style="color: #008080;">explode</span>('&', <span style="color: #800080;">$query</span><span style="color: #000000;">);
    </span><span style="color: #800080;">$params</span> = <span style="color: #0000ff;">array</span><span style="color: #000000;">();
    </span><span style="color: #0000ff;">foreach</span> (<span style="color: #800080;">$queryParts</span> <span style="color: #0000ff;">as</span> <span style="color: #800080;">$param</span><span style="color: #000000;">)
    {
        </span><span style="color: #800080;">$item</span> = <span style="color: #008080;">explode</span>('=', <span style="color: #800080;">$param</span><span style="color: #000000;">);
        </span><span style="color: #800080;">$params</span>[<span style="color: #800080;">$item</span>[0]] = <span style="color: #800080;">$item</span>[1<span style="color: #000000;">];
    }
    </span><span style="color: #0000ff;">return</span> <span style="color: #800080;">$params</span><span style="color: #000000;">;
}



</span><span style="color: #008000;">//</span><span style="color: #008000;"> 通过 $_POST 获取 post 数据
// 判断 $_POST["btnSubmit"] 是否存在，如果存在则表示有 post 过来的 form</span>
<span style="color: #0000ff;">if</span>  (<span style="color: #0000ff;">isset</span>(<span style="color: #800080;">$_POST</span>["btnSubmit"<span style="color: #000000;">]))
{
    </span><span style="color: #0000ff;">if</span> (<span style="color: #0000ff;">empty</span>(<span style="color: #800080;">$_POST</span>['txtUsername'<span style="color: #000000;">]))
    {
        </span><span style="color: #0000ff;">echo</span> "您没有输入用户名"<span style="color: #000000;">;
        </span><span style="color: #0000ff;">exit</span>(0<span style="color: #000000;">);
    }

    </span><span style="color: #0000ff;">echo</span> "您的用户名: " . <span style="color: #800080;">$_POST</span>['txtUsername'] . ""<span style="color: #000000;">;
}
</span>?>
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姓名：


3、获取 get 数据 和 post 数据
encode/json.php

<span style="color: #000000;">php
</span><span style="color: #008000;">/*</span><span style="color: #008000;">*
 * Created by PhpStorm.
 * User: wanglei
 * Date: 2015/12/30
 * Time: 9:45
 </span><span style="color: #008000;">*/</span>

<span style="color: #0000ff;">class</span><span style="color: #000000;"> Name
{
    </span><span style="color: #0000ff;">public</span> <span style="color: #800080;">$firstName</span><span style="color: #000000;">;
    </span><span style="color: #0000ff;">public</span> <span style="color: #800080;">$lastName</span><span style="color: #000000;">;
}

</span><span style="color: #0000ff;">class</span><span style="color: #000000;"> Student
{
    </span><span style="color: #0000ff;">public</span> <span style="color: #800080;">$name</span><span style="color: #000000;">;

    </span><span style="color: #0000ff;">public</span> <span style="color: #800080;">$number</span><span style="color: #000000;">;
    </span><span style="color: #0000ff;">public</span> <span style="color: #800080;">$date1</span><span style="color: #000000;">;
    </span><span style="color: #0000ff;">public</span> <span style="color: #800080;">$date2</span><span style="color: #000000;">;
}

</span><span style="color: #800080;">$jsonArray</span> = '<span style="color: #000000;">
[
    {
        "name":{"firstName":"abc", "lastName":"xyz"},
        "number":1,
        "date1":"2015-12-30 10:00:48",
        "date2":1451440848
    },
    {
        "name":{"firstName":"lmn", "lastName":"rst"},
        "number":2,
        "date1":"2015-11-22 17:13:41",
        "date2":1448183621
    }
]</span>'<span style="color: #000000;">;

</span><span style="color: #008000;">//</span><span style="color: #008000;"> 设置当前时区为东八时区（北京时区）</span>
date_default_timezone_set("Etc/GMT-8"<span style="color: #000000;">);

</span><span style="color: #008000;">//</span><span style="color: #008000;"> json 字符串转对象</span>
<span style="color: #800080;">$result</span> = <span style="color: #0000ff;">array</span><span style="color: #000000;">();
</span><span style="color: #800080;">$myArray</span> = json_decode(<span style="color: #800080;">$jsonArray</span>, <span style="color: #0000ff;">true</span><span style="color: #000000;">);
</span><span style="color: #800080;">$myArrayCount</span> = <span style="color: #008080;">count</span>(<span style="color: #800080;">$myArray</span><span style="color: #000000;">);
</span><span style="color: #0000ff;">for</span> (<span style="color: #800080;">$i</span> = 0; <span style="color: #800080;">$i</span> $myArrayCount; <span style="color: #800080;">$i</span>++<span style="color: #000000;">)
{
    </span><span style="color: #800080;">$student</span> = <span style="color: #0000ff;">new</span><span style="color: #000000;"> Student();
    </span><span style="color: #800080;">$student</span>-><span style="color: #0000ff;">number</span> = <span style="color: #800080;">$myArray</span>[<span style="color: #800080;">$i</span>]["number"<span style="color: #000000;">];
    </span><span style="color: #800080;">$student</span>->date1 = <span style="color: #800080;">$myArray</span>[<span style="color: #800080;">$i</span>]["date1"<span style="color: #000000;">];
    </span><span style="color: #800080;">$student</span>->date2 = <span style="color: #008080;">date</span>('Y-m-d H:i:s', <span style="color: #800080;">$myArray</span>[<span style="color: #800080;">$i</span>]["date2"<span style="color: #000000;">]);

    </span><span style="color: #800080;">$name</span> = <span style="color: #0000ff;">new</span><span style="color: #000000;"> Name();
    </span><span style="color: #800080;">$jsonName</span> = <span style="color: #800080;">$myArray</span>[<span style="color: #800080;">$i</span>]["name"<span style="color: #000000;">];
    </span><span style="color: #800080;">$name</span>->firstName = <span style="color: #800080;">$jsonName</span>["firstName"<span style="color: #000000;">];
    </span><span style="color: #800080;">$name</span>->lastName = <span style="color: #800080;">$jsonName</span>["lastName"<span style="color: #000000;">];

    </span><span style="color: #800080;">$student</span>->name = <span style="color: #800080;">$name</span><span style="color: #000000;">;
    </span><span style="color: #800080;">$result</span>[] = <span style="color: #800080;">$student</span><span style="color: #000000;">;
}
</span><span style="color: #008080;">var_dump</span>(<span style="color: #800080;">$result</span><span style="color: #000000;">);

</span><span style="color: #008000;">//</span><span style="color: #008000;"> 对象转 json 字符串</span>
<span style="color: #0000ff;">echo</span> json_encode(<span style="color: #800080;">$result</span><span style="color: #000000;">);
</span><span style="color: #0000ff;">echo</span> "<br>"<span style="color: #000000;">;

</span><span style="color: #0000ff;">echo</span> "<br>"<span style="color: #000000;">;


</span><span style="color: #008000;">//</span><span style="color: #008000;"> 获取当前时间的时间戳（到 1970-1-1 的秒数）</span>
<span style="color: #0000ff;">echo</span> <span style="color: #008080;">time</span><span style="color: #000000;">();
</span><span style="color: #0000ff;">echo</span> "<br>"<span style="color: #000000;">;

</span><span style="color: #008000;">//</span><span style="color: #008000;"> 获取指定时间的时间戳（到 1970-1-1 的秒数）</span>
<span style="color: #0000ff;">echo</span> <span style="color: #008080;">strtotime</span>("2015-12-30 16:00:10"<span style="color: #000000;">);
</span><span style="color: #0000ff;">echo</span> "<br>"<span style="color: #000000;">;

</span><span style="color: #008000;">//</span><span style="color: #008000;"> 时间戳的格式化</span>
<span style="color: #0000ff;">echo</span> <span style="color: #008080;">date</span>('Y-m-d H:i:s', <span style="color: #008080;">time</span><span style="color: #000000;">());
</span><span style="color: #0000ff;">echo</span> "<br>"<span style="color: #000000;">;

</span><span style="color: #008000;">//</span><span style="color: #008000;"> 时间戳的格式化</span>
<span style="color: #0000ff;">echo</span> <span style="color: #008080;">date</span>('Y-m-d H:i:s', 1460969676<span style="color: #000000;">);
</span><span style="color: #0000ff;">echo</span> "<br>";
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