diff --git "a/\346\226\271\347\220\274/20220522-php\344\270\212\344\274\240\346\226\207\344\273\266\344\275\234\344\270\232.md" "b/\346\226\271\347\220\274/20220522-php\344\270\212\344\274\240\346\226\207\344\273\266\344\275\234\344\270\232.md" index 536ca07f3b5a87c862958358af0e105786567257..45a4c6741189f1ddf03a4cfa222d21e167f782b8 100644 --- "a/\346\226\271\347\220\274/20220522-php\344\270\212\344\274\240\346\226\207\344\273\266\344\275\234\344\270\232.md" +++ "b/\346\226\271\347\220\274/20220522-php\344\270\212\344\274\240\346\226\207\344\273\266\344\275\234\344\270\232.md" @@ -1,18 +1,19 @@ +```html - 实现一个上传文件，仅限制pdf和word模式，大小不超过1m + 瀹炵幇涓涓笂浼犳枃浠讹紝浠呴檺鍒秔df鍜寃ord妯″紡锛屽ぇ灏忎笉瓒呰繃1m
-请输入你要上传的文件： +璇疯緭鍏ヤ綘瑕佷笂浼犵殑鏂囦欢锛
- +
- +``` @@ -23,19 +24,19 @@ if ($error==0){ define("SIZE",1024*1024); $size=$_FILES['file1']['size']; if ($size>SIZE){ - echo "上传文件太大了！"; + echo "涓婁紶鏂囦欢澶ぇ浜嗭紒"; }else{ - echo "可以上传！"; + echo "鍙互涓婁紶锛"; $array =array("pdf","word"); $name=$_FILES["file1"]['name']; $nameArr=explode(".",$name); $lastname=$nameArr[count($nameArr)-1]; $result=array_search($lastname,$array); if ($result==false){ - echo "不允许上传的类型"; + echo "涓嶅厑璁镐笂浼犵殑绫诲瀷"; }else{ - echo "允许上传的类型"; + echo "鍏佽涓婁紶鐨勭被鍨"; } } diff --git "a/\346\226\271\347\220\274/20220523-php\346\225\260\346\215\256\345\272\223\344\275\234\344\270\232.md" "b/\346\226\271\347\220\274/20220523-php\346\225\260\346\215\256\345\272\223\344\275\234\344\270\232.md" new file mode 100644 index 0000000000000000000000000000000000000000..cc7332b2b9bb31a7bd22d9dabdbf057b22e492d6 --- /dev/null +++ "b/\346\226\271\347\220\274/20220523-php\346\225\260\346\215\256\345\272\223\344\275\234\344\270\232.md" @@ -0,0 +1,58 @@ +### mysql + +```mysql +create database student charset utf8; +use student; +create table user( +id int primary key auto_increment, +name varchar(80) not null, +score decimal(4,1) not null +); +``` + +### php + +```php +"; +mysqli_query($a,'set names utf8'); +$tj="insert into `user` value (null ,'闄堝皬榫','98.5'),(null ,'鍚村ぇ铏','75.5'),(null ,'闄堝緱鑳','66')"; +//澧炲姞鏁版嵁 +$result1 = mysqli_query($a,$tj); +if ($result1){ + echo "娣诲姞鏁版嵁鎴愬姛 "; +}else{ + echo "娣诲姞鏁版嵁澶辫触 "; +} +echo"
"; +//鍒犻櫎鏁版嵁 +$sc= "delete from `user` where `id`=2"; +$result2= mysqli_query($a,$sc); +if ($result2){ + echo "鍒犻櫎鏁版嵁鎴愬姛 "; +}else{ + echo "鍒犻櫎鏁版嵁澶辫触 "; +} +echo"
"; +//淇敼鏁版嵁 +$xg= "update `user` set `score`='55' where `id`=1 "; +$result3 = mysqli_query($a,$xg); +if ($result3){ + echo "淇敼鏁版嵁鎴愬姛"; +}else{ + echo "淇敼鏁版嵁澶辫触"; +} +echo "
"; +//鏌ユ壘鏁版嵁 +$cz = "select * from `user` where 'score'=55 "; +$result4 = mysqli_query($a,$cz) or die("鏌ユ壘鏁版嵁澶辫触
"); +while($b=mysqli_fetch_assoc($result4) ){ + echo $b['id']." ".$b['name']." ".$b['score']."
"; +} +``` \ No newline at end of file