另外給妳推薦壹篇文章:《PHP隨機驗證碼示例》
網址:/html/PHP/PHP source/2010/0315/73 . html & amp；nbsp
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我看到妳安裝了Wamp服務套件。其中php的配置文件php.ini在wamp\Apache2\bin目錄下。打開php.ini文件，搜索“extension=php_gd2.dll”並輸入分號“；”在它面前。刪除，保存文件，然後重啟Apache服務器，這樣GD庫就可以打開了。
當然，Wamp\php目錄下還有壹個php.ini配置文件。我猜妳修改了這個配置文件，但是wamp服務套件讀取PHP配置時，讀取的是wamp\Apache2\bin目錄下的php.ini文件，所以修改wamp\php目錄下的php.ini文件無法打開GD庫。妳再試壹次！