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php基础教程——学习小结

Jun 13, 2016 pm 12:13 PM
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php基础教程——学习总结

一、php和表单

1.POST方法手动发送数据:

二者部分区别:

GET:

1.将信息聚集起来作为URL一部分传送

2.传送数量有限

3.公开传送,诸如密码信息会暴露

4.创建的表单可以添加为书签。

POST:

1.传递的信息用户看不到


用法示例:

html文件:ws.html

   <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>test</title> 
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Copy after login

Name:

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Copy after login
php文件:handle.php

   <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>test</title>  
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Copy after login
<?phpini_set (&#39;display_errors&#39;, 1);error_reporting(E_ALL|E_STRICT);$title=$_POST[&#39;title&#39;];$name =$_POST[&#39;name&#39;];</span>print "<p> hello $title $name";?>  </p>
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输入:myname

结果:hello Mr myname

2.GET传送数据

   <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>test</title> 
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Copy after login

php文件:handle.php

   <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>test</title>  
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Copy after login
<?phpini_set (&#39;display_errors&#39;, 1);error_reporting(E_ALL|E_STRICT);$name=$_GET[&#39;name&#39;];print "hello $name";?>
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Copy after login


二、相关函数学习

1.格式化数值:

round(要格式化的数字 ,  保留小数点位数);

eg:$test=5.555555555;         round(test, 2); // 5.55

number_format(数字, 小数点位数, 代替小数点的符号, 千位分隔符)

eg:number_format("10000000", 2 ,"," ,".");// 10.000.000,00

2.随机函数rand()

eg:rand(0, 100);//产生0-100 随机一个数


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