get和post的区别_html/css_WEB-ITnose-HTML Tutorial-php.cn

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get和post的区别_html/css_WEB-ITnose

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Jun 24, 2016 am 11:23 AM

1、get在地址栏上会显示用户信息，安全性低，post采用加密方式传输，不显示，安全性高。

2、get相比post提交方式较快一点，因为post封装了一次消息在发送（加密)

3、get方式请求的数据是放在http消息头中，post方式是把提交的数据放在http正文中

4、get主要用于查询，不修改服务器上的数据，post会发送修改请求，从而修改服务器上的数据

5、get可以添加书签，可以被缓存，post不行

6、get长度限制在2KB，且数据类型只允许ASCII字符型，post长度无限制，数据类型无限制，且允许二进制数据

7、一般来说，get获取数据，post提交数据，所以只要有表单的地方建议使用post提交方式

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