【微信开发】公众号后台设置错误导致的微信redirect_uri参数错误【图】
在微信开发中，如微信网页授权登录，分享到朋友圈自定义内容，微信h5支付时
可能会遇到微信redirect_uri参数错误的情况。
此时除了检查自己代码正确性外，还要检查一下是否正确地设置了公众号后台的域名。
微信后台有至少3个页面可以设置域名的，注意都检查一下。
1. 接口权限 》 网页授权获取用户基本信息 》修改
如下图，这里是微信网页授权登录时所在的域名
2. 公众号设置 》功能设置 》JS接口安全域名设置
如图，这里是设置调用js接口如自定义分享内容域名
3. 微信支付 》开发配置 》支付授权目录设置
如图，这里是公众号支付的域名设置，同一页还有其他模式支付的设置项
如果都配置正确还是不行的话那就要检查代码的问题了。
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