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tp5允许跨域请求配置
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tp5允许跨域请求配置
PHP ThinkPHP教程 2020年6月18日
目前Web项目开发基本都是前后端分离的架构，那就避免不了会遇到跨域问题。在前端请求接口的时候，接口的协议、域名、端口三者之间任意一与当前页面地址不同就会出现跨域。跨域的时候会两次请求，第一次是 option去探测服务器是否允许跨域，然后才会正式去请求接口。ThinkPHP 5 是目前国内比较常用的PHP框架。下面雷雪松介绍两种tp5允许跨域请求的方法。
1、在TP5入口文件 index.php 配置。
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header("Access-Control-Allow-Origin: *");
header("Access-Control-Allow-Headers: Origin, X-Requested-With, Content-Type, Accept, Authorization");
header('Access-Control-Allow-Methods: GET, POST, PUT,DELETE,OPTIONS,PATCH');
if ($_SERVER['REQUEST_METHOD'] == 'OPTIONS') {
exit;
}
header("Access-Control-Allow-Headers: Origin, X-Requested-With, Content-Type, Accept, Authorization");
header('Access-Control-Allow-Methods: GET, POST, PUT,DELETE,OPTIONS,PATCH');
if ($_SERVER['REQUEST_METHOD'] == 'OPTIONS') {
exit;
}
2、通过TP5行为（Behavior）配置全局跨域
a、在base.php基类添加行为标签位
\think\Hook::listen('cros');
b、定义行为
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namespace app\index\behavior;
class Cros{
public function run(&$params){
header("Access-Control-Allow-Origin: *");
header("Access-Control-Allow-Headers: Origin, X-Requested-With, Content-Type, Accept, Authorization");
header('Access-Control-Allow-Methods: GET, POST, PUT,DELETE,OPTIONS,PATCH');
}
}
class Cros{
public function run(&$params){
header("Access-Control-Allow-Origin: *");
header("Access-Control-Allow-Headers: Origin, X-Requested-With, Content-Type, Accept, Authorization");
header('Access-Control-Allow-Methods: GET, POST, PUT,DELETE,OPTIONS,PATCH');
}
}
c、在目录下面或者模块的目录下面定义tags.php文件来统一定义行为
'cros' => [
'app\\api\\behavior\\Cros'
],
'app\\api\\behavior\\Cros'
],
来源：tp5允许跨域请求配置
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