か瘾公子:<!DOCTYPE html><html dir="ltr"> <head> <...
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in常用于where表达式中，其作用是查询某个范围内的数据。用法：select * from where field in (value1,value2,value3,…)示例：查...
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微博输入数字小功能 <!DOCTYPE html> <html lang="en"> <head> <meta&nbs...
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<!DOCTYPE html><html dir="ltr"> <head> <meta ...
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<!DOCTYPE html> <html> <head> <meta charset="u...
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<!DOCTYPE html><html><head><meta charset="UTF-8"><link rel=&quo...
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<?php header("Content-type: text/html; charset=utf-8"); $arr=array(&#...
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<!DOCTYPE html><html><head><meta charset="UTF-8"><title>chan...
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<!DOCTYPE html> <html> <head> <meta charset="UTF-8"&g...
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index.html: <!DOCTYPE html> <html> <head> <meta charset="UTF-8&q...
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二个数值相加<?phpfunction leijia($a,$b){ $c = $a + $b; return $c;}echo leijia...
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index.html: <!DOCTYPE html> <html lang="en"> <head> <title&...
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index.html: <!DOCTYPE html> <html lang="en"> <head> <title&...
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html和css微博布局 <!DOCTYPE html> <html lang="en"> <head> <meta&...
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<?php// 创建数组,分别用for/while/foreach()遍历,并比较他们的不同之处function zuoye(){$arr = array...
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