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Title: BaseWxPayServiceImpl.java中签名方法写死为MD5方式 · Issue #888 · binarywang/WxJava · GitHub

Open Graph Title: BaseWxPayServiceImpl.java中签名方法写死为MD5方式 · Issue #888 · binarywang/WxJava

X Title: BaseWxPayServiceImpl.java中签名方法写死为MD5方式 · Issue #888 · binarywang/WxJava

Description: 主要有2种形式： 直接写死MD5方式 例如BaseWxPayServiceImpl.java的357行，生成JSAPI签名时采用MD5。但是如果之前的prepay使用的是HMAC-SHA256的话，会导致微信内支付显示签名错误。 另外一种是调用SignUtils.createSign方法时，好几处第二个参数signType都传了null，实际最终就等于使用了MD5模式。

Open Graph Description: 主要有2种形式： 直接写死MD5方式 例如BaseWxPayServiceImpl.java的357行，生成JSAPI签名时采用MD5。但是如果之前的prepay使用的是HMAC-SHA256的话，会导致微信内支付显示签名错误。 另外一种是调用SignUtils.createSign方法时，好几处第二个参数signType都传了null，实际最终就等于使用了MD5模式。

X Description: 主要有2种形式： 直接写死MD5方式 例如BaseWxPayServiceImpl.java的357行，生成JSAPI签名时采用MD5。但是如果之前的prepay使用的是HMAC-SHA256的话，会导致微信内支付显示签名错误。 另外一种是调用SignUtils.createSign方法时，好几处第二个参数signType都传了null，实际最终就等于使用了MD5模式。

Opengraph URL: https://github.com/binarywang/WxJava/issues/888

X: @github

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Domain: github.com

Hey, it has json ld scripts: 
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on Dec 20, 2018https://github.com/binarywang/WxJava/issues/888#issue-392922948
BaseWxPayServiceImpl.javahttps://github.com/Wechat-Group/weixin-java-tools/blob/master/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/service/impl/BaseWxPayServiceImpl.java
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