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  • PHP实用小程序(三)

    <HTML>
    <HEAD>
    <TITLE>给数组增加元素</TITLE>
    </HEAD>
    <?
        $Cities[] = "<B>北京</B>";    //等同于$Cities[0] = "北京"
        $Cities[] = "<B>天津</B>";    //等同于$Cities[1] = "天津"
        $Cities[] = "<B>上海</B>";    //等同于$Cities[2] = "上海"
        $Cities[] = "<B>深圳</B>";    //等同于$Cities[3] = "深圳"
        /* 
        ** 统计元素个数 
        */
        $indexLimit = count($Cities);   //把数组中元素的个数赋给$indexLimit
        /* 
        ** 打印所有数组 
        */
        for($index=0; $index < $indexLimit; $index++)
        {
            print("第 $index 个城市是 $Cities[$index]。 <BR>
    ");
        }
    ?>
    </BODY>
    </HTML>
    <HTML>
    <HEAD>
    <TITLE>初始化数组</TITLE>
    </HEAD>
    <FONT SIZE=5>
    <?
        $monthName = array(1=>"January", "February", "March",//初始化一个数组
            "April", "May", "June", "July", "August",
            "September", "October", "November", "December");
        print(" 英语的“5月”是<B> $monthName[5] </B>。<BR>
    ");//打印数组中的第6个元素
    ?>
    </FONT>
    </BODY>
    </HTML>
    <HTML>
    <HEAD>
    <TITLE>获取数组中的元素</TITLE>
    </HEAD>
    <?
        $monthName = array(
        /*定义$monthName[1]到$monthName[12]*/
            1=>"January", "February", "March",
            "April", "May", "June", 
            "July", "August", "September", 
            "October", "November", "December",
        /*定义$monthName["Jan"]到$monthName["Dec"]*/
            "Jan"=>"January", "Feb"=>"February",
            "Mar"=>"March", "Apr"=>"April", 
            "May"=>"May", "Jun"=>"June", 
            "Jul"=>"July", "Aug"=>"August",
            "Sep"=>"September", "Oct"=>"October", 
            "Nov"=>"November", "Dec"=>"December",
        /*定义$monthName["Jan"]到$monthName["Dec"]*/
            "January"=>"January", "February"=>"February",
            "March"=>"March", "April"=>"April", 
            "May"=>"May", "June"=>"June", 
            "July"=>"July", "August"=>"August",
            "September"=>"September", "October"=>"October", 
            "November"=>"November", "December"=>"December"
            );
        /*打印相关的元素*/
        print("Month <B>5</B> is <B>" . $monthName[5]. "</B><BR>
    ");
        print("Month <B>Aug</B> is <B>" . $monthName["Aug"] . "</B><BR>
    ");
        print("Month <B>June</B> is <B>" . $monthName["June"] . "</B><BR>
    ");
    ?>
    </BODY>
    </HTML>
    <HTML>
    <HEAD>
    <TITLE>创建一个多维数组</TITLE>
    </HEAD>
    <?
        $Cities = array(                //二维数组array()
            "华北地区"=>array(
                "北京市",
                "天津市",
                "石家庄"
                ),
            "西北地区"=>array(
                "西安",
                "拉萨"
                )
            );
        print("华北地区: ".$Cities["华北地区"][0]); //打印$Cities["华北地区"][0]
    ?>
    </BODY>
    </HTML>
    <HTML>
    <HEAD>
    <TITLE>PHP 4.0实现表格状打印</TITLE>
    </HEAD>
    <BODY>
    <?
        /* 
        ** 数据表格化 
        */
    
        print("<TABLE bgcolor='ffccoo' BORDER="1">
    "); // 表格开始
        
    
        for($Row=1; $Row <= 12; $Row ++)
        {
            print("<TR>
    "); // 开始行
    
            // do each column
            for($Column=1; $Column <= 12; $Column ++)
            {
                print("<TD>");//开始列
                print($Row * $Column);//表格元素乘积
                print("</TD>");
            }
    
            print("</TR>
    "); // 行结束
    
        }
        
        print("</TABLE>
    "); // 表格结束
    
    ?>
    </BODY>
    </HTML>
    <HTML>
    <HEAD>
    <TITLE>实现背景颜色的改变</TITLE>
    </HEAD>
    <BODY>
    <?
        print("<HTML>
    ");
        print("<HEAD>
    ");
        print("<TITLE>改变背景颜色</TITLE>
    ");
        print("</HEAD>
    ");
        /* 
        ** 第一次被浏览的时候
        ** 使用白色为默认的颜色。
        */
        if($inputColor == "")
        {
            $inputColor = "FFFFFF";
        }
        /* 
        ** 使用背景颜色打开网页 
        */
        print("<BODY BGCOLOR="#$inputColor">
    ");
        /* 
        ** 表单提交到本页 
        */
        print("<FORM ACTION="37.php" METHOD="post">
    ");
        /* 
        ** 得到颜色的数据
        */
        print("<B>请填写HTML颜色代码:</B> ");
        print("<INPUT ");
        print("TYPE="text" ");
        print("NAME="inputColor" ");
        print("VALUE="$inputColor">
    ");
        /* 
        ** 提交的按钮 
        */
        print("<INPUT ");
        print("TYPE="submit" ");
        print("NAME="Submit_Button" ");
        print("VALUE="提交颜色">
    ");
        print("</FORM>
    ");
        print("</BODY>
    ");
        print("</HTML>
    ");
    ?>
    </BODY>
    </HTML>
    <HTML>
    <HEAD>
    <TITLE>文件上传</TITLE>
    </HEAD>
    <BODY>
    <?
        //检查是否有文件上传
        if(isset($UploadedFile))
        {
            //unlink($UploadedFile);
            print("本地 File: $UploadedFile <BR>
    ");
            print("名称: $UploadedFile_name <BR>
    ");
            print("大小: $UploadedFile_size <BR>
    ");
            print("类型: $UploadedFile_type <BR>
    ");
            print("<HR>
    ");
        }
    ?>
    <FORM ENCTYPE="multipart/form-data" ACTION="38.php" METHOD="post"> 
    <INPUT TYPE="hidden" name="MAX_FILE_SIZE" value="4096"> 
    <INPUT NAME="UploadedFile" TYPE="file"  size='15'> 
    <INPUT TYPE="submit" VALUE="上传文件"> 
    </FORM>
    </BODY>
    </HTML>
    <HTML>
    <HEAD>
    <TITLE>查看PHP的环境变量</TITLE>
    </HEAD>
    <BODY>
    <?
        print("你正在用文件的名字为: ");
        print(__FILE__);
        print(" <BR>
    ");
        print("<hr>");
        print("你的操作系统为: ");
        print(PHP_OS);
        print("<hr>");
        print("你的php的版本为: ");
        print(PHP_VERSION)
    ?>
    </BODY>
    </HTML>
    <HTML>
    <HEAD>
    <TITLE>使用文件包含</TITLE>
    </HEAD>
    <BODY>
    <?
        /*
        ** 取得月份名称数组
        */
        include("40-2.php");        //这里包含文件
        //print("这里时被包含进来的");
        echo("Month 5 is " . $monthName[5] . "<BR>
    ");
        echo("Month Aug is " . $monthName["Aug"] . "<BR>
    ");
        print("Month June is " . $monthName["June"] . "<BR>
    ");
        MyCounter(999)//这里调用包含文件中的函数
    ?>
    </BODY>
    </HTML>
    <?
    function MyCounter($counter) {//一个简单的函数
        print("<hr>");
        print($counter);//打印传入的参数
        print("<hr>");
    }
    ?>
    <HTML>
    <HEAD>
    <TITLE>打开本地或者远程文件</TITLE>
    </HEAD>
    <BODY>
    <?
        print("<H3>通过http协议打开文件</H3>
    ");
        // 通过 http 协议打开文件
        if(!($myFile = fopen("http://xlj/php/jiang/data.txt", "r")))
        {
            print("文件不能打开");
            exit;
        }
        while(!feof($myFile))               //循环
        {
                                // 按行读取文件中的内容
            $myLine = fgetss($myFile, 255);
            print("$myLine <BR>
    ");
        }
        // 关闭文件的句柄
        fclose($myFile);
    ?>
    </BODY>
    </HTML>
    <HTML>
    <HEAD>
    <TITLE>读取文件内容</TITLE>
    </HEAD>
    <BODY>
    <?
        // 打开文件同时打印文件的每一个字符
        if($myFile = fopen("data.txt", "r"))
        {
        while(!feof($myFile))
        {
            $myCharacter = fgetc($myFile);
            print($myCharacter);
        }
        fclose($myFile);
        }   
    ?>
    <? print("<hr>");?>
    <?
        // 打开文件同时打印文件的每一行
        if($myFile = fopen("data.txt", "r"))
        {
            while(!feof($myFile))
            {
                $myLine = fgets($myFile, 255);
                print($myLine);
            }
        fclose($myFile);
        }   
    ?>
    <? print("<hr>");?>
    <?
        /* 打开文件同时打印文件的每一行,
        同时去掉取回字符串中的 HTML 语言
        */
        if($myFile = fopen("data.txt", "r"))
        {
            while(!feof($myFile))
            {
                $myLine = fgetss($myFile, 255);
                print($myLine);
            }
            fclose($myFile);
        }   
    ?>
    </BODY>
    </HTML>
    <HTML>
    <HEAD>
    <TITLE>访问文件常见属性</TITLE>
    </HEAD>
    <BODY>
    <BR>
    <?
        print("文件的所有者(UID 值):");
        print(fileowner("data.txt")."<br>");
        print("文件的大小:");
        print(filesize("data.txt")."<br>");
        print("文件的类型:");
        print(filetype("data.txt")."<br>");
    ?>
    </BODY>
    </HTML>
    <HTML>
    <HEAD>
    <TITLE>调用文本文件内容</TITLE>
    </HEAD>
    <BODY>
    <CENTER>
    <?
        // 打开文件同时,打印每一行
        $myFile = file( "data.txt");
        for($index = 0; $index < count($myFile); $index++)
        {
            print($myFile[$index]."<BR>");
        }
    ?>
    </CENTER>
    </BODY>
    </HTML>
    <HTML>
    <HEAD>
    <TITLE>PHP判断文件是否存在</TITLE>
    </HEAD>
    <BODY>
    <?
    print("data.txt文件是否存在?"."<br>");
        if(file_exists("data.txt"))
        {
            print("这个文件存在");        //文件存在
            print(fileinode("data.txt"));
        }
        else
        {
            print("文件不存在");     //文件不存在
        }
    ?>
    </BODY>
    </HTML>
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  • 原文地址:https://www.cnblogs.com/yxhblogs/p/4758743.html
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