1 <meta http-equiv="content-type" content="charset=utf8"/> 2 <?php 3 //上传文件类型列表 4 $uptypes = array( 5 'image/jpg', 6 'image/jpeg', 7 'image/png', 8 'image/pjpeg', 9 'iamge/gif', 10 'image/bmp', 11 'image/x-png', 12 ); 13 14 $max_file_size = 2000000; //上传文件大小限制，单位为byte 15 $destination_folder = "test/"; //上传文件路径 16 17 //is_uploaded_file — 判断文件是否是通过 HTTP POST 上传的 18 /** 19 $_FILES数组内容如下: 20 $_FILES['myFile']['name'] 客户端文件的原名称。 21 $_FILES['myFile']['type'] 文件的 MIME 类型，需要浏览器提供该信息的支持，例如"image/gif"。 22 $_FILES['myFile']['size'] 已上传文件的大小，单位为字节。 23 $_FILES['myFile']['tmp_name'] 文件被上传后在服务端储存的临时文件名，一般是系统默认。可以在php.ini的upload_tmp_dir 指定，但用 putenv() 函数设置是不起作用的。 24 $_FILES['myFile']['error'] 和该文件上传相关的错误代码。['error'] 是在 PHP 4.2.0 版本中增加的。下面是它的说明：(它们在PHP3.0以后成了常量) 25 UPLOAD_ERR_OK 值：0; 没有错误发生，文件上传成功。 26 UPLOAD_ERR_INI_SIZE 值：1; 上传的文件超过了 php.ini 中 upload_max_filesize 选项限制的值。 27 UPLOAD_ERR_FORM_SIZE 值：2; 上传文件的大小超过了 HTML 表单中 MAX_FILE_SIZE 选项指定的值。 28 UPLOAD_ERR_PARTIAL 值：3; 文件只有部分被上传。 29 UPLOAD_ERR_NO_FILE 值：4; 没有文件被上传。 值：5; 上传文件大小为0. 30 */ 31 if ($_SERVER['REQUEST_METHOD'] == 'POST') { 32 if (!is_uploaded_file($_FILES['upfile']['tmp_name'])) { 33 echo "<script>alert('图片不存在');</script>"; 34 return false; 35 } 36 $file = $_FILES['upfile']; 37 // print_r($file); 38 $name = $file['name']; 39 $type = $file['type']; 40 $size = $file['size']; 41 $tmp_name = $file['tmp_name']; 42 $error = $file['error']; 43 44 //判断是否超过规定大小 45 if ($max_file_size < $size) { 46 echo "<script>alert('文件太大');</script>"; 47 return false; 48 } 49 50 //检查文件类型,in_array($arr1. $arr2)检查$arr2里是否有$arr1的值 51 if (!in_array($type, $uptypes)) { 52 echo "<script>alert('文件类型不符合');</script>"; 53 return false; 54 } 55 56 //判断文件存放目录是否存在，不存在则创建,mkdir新建目录 57 if (!file_exists($destination_folder)) { 58 mkdir($destination_folder); 59 } 60 61 //move_uploaded_file将上传的文件移动到新位置 62 if ($error == '0') { 63 move_uploaded_file($tmp_name,'test/'.$name); 64 echo "<script>alert('上传成功');</script>"; 65 } 66 } 67 ?> 68 <form enctype="multipart/form-data" method="post" name="upload"> 69 <input type="file" name="upfile"/> 70 <input type="submit" name="submit" value="上传"/><br> 71 允许上传的文件类型为:<?=implode(',',$uptypes) ?> 72 </form>
@1.php上传文件需要三个重要函数:
1.is_uploaded_file($file)判断上传的文件是否是http_post传递过来的，如果是，返回TRUE;
2.$_FILES:http上传文件变量,详见代码解释；
3.move_uploaded_file($filename,$destination):将$filename文件从服务器的临时存储位置转移到$destination目标位置;
@2.将中文转换为拼音的类
1 function Pinyin($_String, $_Code='gb2312') 2 { 3 $_DataKey = "a|ai|an|ang|ao|ba|bai|ban|bang|bao|bei|ben|beng|bi|bian|biao|bie|bin|bing|bo|bu|ca|cai|can|cang|cao|ce|ceng|cha". 4 "|chai|chan|chang|chao|che|chen|cheng|chi|chong|chou|chu|chuai|chuan|chuang|chui|chun|chuo|ci|cong|cou|cu|". 5 "cuan|cui|cun|cuo|da|dai|dan|dang|dao|de|deng|di|dian|diao|die|ding|diu|dong|dou|du|duan|dui|dun|duo|e|en|er". 6 "|fa|fan|fang|fei|fen|feng|fo|fou|fu|ga|gai|gan|gang|gao|ge|gei|gen|geng|gong|gou|gu|gua|guai|guan|guang|gui". 7 "|gun|guo|ha|hai|han|hang|hao|he|hei|hen|heng|hong|hou|hu|hua|huai|huan|huang|hui|hun|huo|ji|jia|jian|jiang". 8 "|jiao|jie|jin|jing|jiong|jiu|ju|juan|jue|jun|ka|kai|kan|kang|kao|ke|ken|keng|kong|kou|ku|kua|kuai|kuan|kuang". 9 "|kui|kun|kuo|la|lai|lan|lang|lao|le|lei|leng|li|lia|lian|liang|liao|lie|lin|ling|liu|long|lou|lu|lv|luan|lue". 10 "|lun|luo|ma|mai|man|mang|mao|me|mei|men|meng|mi|mian|miao|mie|min|ming|miu|mo|mou|mu|na|nai|nan|nang|nao|ne". 11 "|nei|nen|neng|ni|nian|niang|niao|nie|nin|ning|niu|nong|nu|nv|nuan|nue|nuo|o|ou|pa|pai|pan|pang|pao|pei|pen". 12 "|peng|pi|pian|piao|pie|pin|ping|po|pu|qi|qia|qian|qiang|qiao|qie|qin|qing|qiong|qiu|qu|quan|que|qun|ran|rang". 13 "|rao|re|ren|reng|ri|rong|rou|ru|ruan|rui|run|ruo|sa|sai|san|sang|sao|se|sen|seng|sha|shai|shan|shang|shao|". 14 "she|shen|sheng|shi|shou|shu|shua|shuai|shuan|shuang|shui|shun|shuo|si|song|sou|su|suan|sui|sun|suo|ta|tai|". 15 "tan|tang|tao|te|teng|ti|tian|tiao|tie|ting|tong|tou|tu|tuan|tui|tun|tuo|wa|wai|wan|wang|wei|wen|weng|wo|wu". 16 "|xi|xia|xian|xiang|xiao|xie|xin|xing|xiong|xiu|xu|xuan|xue|xun|ya|yan|yang|yao|ye|yi|yin|ying|yo|yong|you". 17 "|yu|yuan|yue|yun|za|zai|zan|zang|zao|ze|zei|zen|zeng|zha|zhai|zhan|zhang|zhao|zhe|zhen|zheng|zhi|zhong|". 18 "zhou|zhu|zhua|zhuai|zhuan|zhuang|zhui|zhun|zhuo|zi|zong|zou|zu|zuan|zui|zun|zuo"; 19 $_DataValue = "-20319|-20317|-20304|-20295|-20292|-20283|-20265|-20257|-20242|-20230|-20051|-20036|-20032|-20026|-20002|-19990". 20 "|-19986|-19982|-19976|-19805|-19784|-19775|-19774|-19763|-19756|-19751|-19746|-19741|-19739|-19728|-19725". 21 "|-19715|-19540|-19531|-19525|-19515|-19500|-19484|-19479|-19467|-19289|-19288|-19281|-19275|-19270|-19263". 22 "|-19261|-19249|-19243|-19242|-19238|-19235|-19227|-19224|-19218|-19212|-19038|-19023|-19018|-19006|-19003". 23 "|-18996|-18977|-18961|-18952|-18783|-18774|-18773|-18763|-18756|-18741|-18735|-18731|-18722|-18710|-18697". 24 "|-18696|-18526|-18518|-18501|-18490|-18478|-18463|-18448|-18447|-18446|-18239|-18237|-18231|-18220|-18211". 25 "|-18201|-18184|-18183|-18181|-18012|-17997|-17988|-17970|-17964|-17961|-17950|-17947|-17931|-17928|-17922". 26 "|-17759|-17752|-17733|-17730|-17721|-17703|-17701|-17697|-17692|-17683|-17676|-17496|-17487|-17482|-17468". 27 "|-17454|-17433|-17427|-17417|-17202|-17185|-16983|-16970|-16942|-16915|-16733|-16708|-16706|-16689|-16664". 28 "|-16657|-16647|-16474|-16470|-16465|-16459|-16452|-16448|-16433|-16429|-16427|-16423|-16419|-16412|-16407". 29 "|-16403|-16401|-16393|-16220|-16216|-16212|-16205|-16202|-16187|-16180|-16171|-16169|-16158|-16155|-15959". 30 "|-15958|-15944|-15933|-15920|-15915|-15903|-15889|-15878|-15707|-15701|-15681|-15667|-15661|-15659|-15652". 31 "|-15640|-15631|-15625|-15454|-15448|-15436|-15435|-15419|-15416|-15408|-15394|-15385|-15377|-15375|-15369". 32 "|-15363|-15362|-15183|-15180|-15165|-15158|-15153|-15150|-15149|-15144|-15143|-15141|-15140|-15139|-15128". 33 "|-15121|-15119|-15117|-15110|-15109|-14941|-14937|-14933|-14930|-14929|-14928|-14926|-14922|-14921|-14914". 34 "|-14908|-14902|-14894|-14889|-14882|-14873|-14871|-14857|-14678|-14674|-14670|-14668|-14663|-14654|-14645". 35 "|-14630|-14594|-14429|-14407|-14399|-14384|-14379|-14368|-14355|-14353|-14345|-14170|-14159|-14151|-14149". 36 "|-14145|-14140|-14137|-14135|-14125|-14123|-14122|-14112|-14109|-14099|-14097|-14094|-14092|-14090|-14087". 37 "|-14083|-13917|-13914|-13910|-13907|-13906|-13905|-13896|-13894|-13878|-13870|-13859|-13847|-13831|-13658". 38 "|-13611|-13601|-13406|-13404|-13400|-13398|-13395|-13391|-13387|-13383|-13367|-13359|-13356|-13343|-13340". 39 "|-13329|-13326|-13318|-13147|-13138|-13120|-13107|-13096|-13095|-13091|-13076|-13068|-13063|-13060|-12888". 40 "|-12875|-12871|-12860|-12858|-12852|-12849|-12838|-12831|-12829|-12812|-12802|-12607|-12597|-12594|-12585". 41 "|-12556|-12359|-12346|-12320|-12300|-12120|-12099|-12089|-12074|-12067|-12058|-12039|-11867|-11861|-11847". 42 "|-11831|-11798|-11781|-11604|-11589|-11536|-11358|-11340|-11339|-11324|-11303|-11097|-11077|-11067|-11055". 43 "|-11052|-11045|-11041|-11038|-11024|-11020|-11019|-11018|-11014|-10838|-10832|-10815|-10800|-10790|-10780". 44 "|-10764|-10587|-10544|-10533|-10519|-10331|-10329|-10328|-10322|-10315|-10309|-10307|-10296|-10281|-10274". 45 "|-10270|-10262|-10260|-10256|-10254"; 46 $_TDataKey = explode('|', $_DataKey); 47 $_TDataValue = explode('|', $_DataValue); 48 $_Data = (PHP_VERSION>='5.0') ? array_combine($_TDataKey, $_TDataValue) : _Array_Combine($_TDataKey, $_TDataValue); 49 arsort($_Data); 50 reset($_Data); 51 if($_Code != 'gb2312') $_String = _U2_Utf8_Gb($_String); 52 $_Res = ''; 53 for($i=0; $i<strlen($_String); $i++) 54 { 55 $_P = ord(substr($_String, $i, 1)); 56 if($_P>160) { $_Q = ord(substr($_String, ++$i, 1)); $_P = $_P*256 + $_Q - 65536; } 57 $_Res .= _Pinyin($_P, $_Data); 58 } 59 return preg_replace("/[^a-z0-9]*/", '', $_Res); 60 } 61 function _Pinyin($_Num, $_Data) 62 { 63 if ($_Num>0 && $_Num<160 ) return chr($_Num); 64 elseif($_Num<-20319 || $_Num>-10247) return ''; 65 else { 66 foreach($_Data as $k=>$v){ if($v<=$_Num) break; } 67 return $k; 68 } 69 } 70 function _U2_Utf8_Gb($_C) 71 { 72 $_String = ''; 73 if($_C < 0x80) $_String .= $_C; 74 elseif($_C < 0x800) 75 { 76 $_String .= chr(0xC0 | $_C>>6); 77 $_String .= chr(0x80 | $_C & 0x3F); 78 }elseif($_C < 0x10000){ 79 $_String .= chr(0xE0 | $_C>>12); 80 $_String .= chr(0x80 | $_C>>6 & 0x3F); 81 $_String .= chr(0x80 | $_C & 0x3F); 82 } elseif($_C < 0x200000) { 83 $_String .= chr(0xF0 | $_C>>18); 84 $_String .= chr(0x80 | $_C>>12 & 0x3F); 85 $_String .= chr(0x80 | $_C>>6 & 0x3F); 86 $_String .= chr(0x80 | $_C & 0x3F); 87 } 88 return iconv('UTF-8', 'GB2312', $_String); 89 } 90 function _Array_Combine($_Arr1, $_Arr2) 91 { 92 for($i=0; $i<count($_Arr1); $i++) 93 $_Res[$_Arr1[$i]] = $_Arr2[$i]; 94 return $_Res; 95 } 96 97 echo "<br>".PinYin('我的最爱',2);
注意：不设置第二个参数则默认编码为gb2312；设置数值则为utf8;
@3.像百度一样输入字符则弹出提示
test.html
1 <meta charset="utf8"/> 2 <script type="text/javascript" src="jquery-2.1.1.js"></script> 3 <link type="text/css" rel="stylesheet" href="test.css"/> 4 <div id="search"> 5 <input type="text" name="k" class="k" /> <input type="button" name="s" value="搜索" /> 6 </div> 7 <div id="search_auto"></div> 8 <script type="text/javascript"> 9 $('#search_auto').css({'width':$('#search input[name="k"]').width()+4}); 10 $("#search input[name='k']").keyup(function(){ 11 $.post( 12 'search.php', 13 {'value':$(this).val()}, 14 function(data){ 15 if (data == '0') { 16 $('#search_auto').html('').css('display', 'none'); 17 } else { 18 $('#search_auto').html(data).css('display','block'); 19 } 20 } 21 ); 22 }); 23 </script>
需要引入jquery插件
search.php
1 <?php 2 $pdo = new PDO('mysql:host=localhost;dbname=regi', 'root', '900914'); 3 $pdo->query('set names utf8'); 4 $v = $_POST['value']; 5 $result = $pdo->query("select * from test where (py like '%$v%' or testname like '%$v%') order by id desc limit 10"); 6 $ro = $result->fetchAll(); 7 if (empty($v)) { 8 exit('0'); 9 } 10 if ($ro <= 0) { 11 exit('0'); 12 } 13 echo "<ul style='list-style: none'>"; 14 foreach ($ro as $k => $value) { 15 echo "<li><a href=''>".$value[testname].'</a></li>'; 16 } 17 echo '</ul>';
test.css
1 #search{font-size:12px;} 2 #search .k{padding:2px 1px; width:320px;} 3 #search_auto{border:1px solid #817FB2; position:absolute; display:none;margin:0 auto;padding:0 0 0 0;} 4 #search_auto li{background:#FFF; text-align:left;} 5 #search_auto li.cls{text-align:left;} 6 #search_auto li a{display:block;cursor:pointer; color:#666;} 7 8 9 A:link { 10 color: #000000; 11 TEXT-DECORATION: none 12 } 13 A:visited { 14 COLOR: #000000; 15 TEXT-DECORATION: none 16 } 17 A:hover { 18 COLOR: #ff7f24; 19 text-decoration: underline; 20 } 21 A:active { 22 COLOR: #ff7f24; 23 text-decoration: underline; 24 }
mysql代码
1 Create database 2 3 create database regi; 4 5 6 Create Table 7 8 CREATE TABLE `test` ( 9 `id` int(11) NOT NULL AUTO_INCREMENT, 10 `testname` varchar(255) NOT NULL, 11 `py` varchar(255) NOT NULL, 12 PRIMARY KEY (`id`) 13 ) ENGINE=InnoDB AUTO_INCREMENT=4 DEFAULT CHARSET=utf8
@4.php上传文件+（中文转换为拼音的类）+ 输入字符提示信息+根据头部信息给出相对应得二维码扫描
1 $agent = strtolower($_SERVER['HTTP_USER_AGENT ']); //获取设备信息 2 $type = 'other'; 3 if (strpos($agent, 'iphone') || strpos($agent, 'ipad')) { 4 $type = 'ios'; 5 } elseif (strpos($agent, 'android')) { 6 $type = 'android'; 7 }
// 根据设备的类型返回相对应的二维码包