转自:http://www.2cto.com/kf/201409/330136.html
准备:
1,导入微信的libs包libammsdk.jar;
2,测试时使用weixinDemo中的debug_keystore;
3,需要注意应用要通过审核,并且几个Key值正确,一下为微信支付Demo中的值:
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//微信公众平台id; private String
app_wx_appid=WxConstants.app_wx_appid; //微信开放平台和商户约定的密钥 private String
app_wx_secret_key= "db426a9829e4b49a0dcac7b4162da6b6" ; //微信公众平台商户模块和商户约定的密钥 private String
app_wx_parent_key= "8934e7d15453e97507ef794cf7b0519d" ; //微信公众平台商户模块和商户约定的支付密钥 private String
app_wx_pay_key= "L8LrMqqeGRxST5reouB0K66CaYAWpqhAVsq7ggKkxHCOastWksvuX1uvmvQclxaHoYd3ElNBrNO2DHnnzgfVG9Qs473M3DTOZug5er46FhuGofumV8H2FVR9qkjSlC5K" ; //
商家向财付通申请的商家id */ private String
app_tx_parent_key = "1900000109" ; |
==========================================
根据微信支付Demo,微信支付分为三步:
第一步,获取accessToken,accessToken值第二步要用;
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private class
GetAccessTokenTask extends AsyncTask< void , void ,= "" wxgetaccesstokenresult= "" >
{ @Override protected WxGetAccessTokenResult
doInBackground(Void... params) { WxGetAccessTokenResult
result = getAccessToken(); return result; } @Override protected void
onPostExecute(WxGetAccessTokenResult result) { if (result.localRetCode
== WxLocalRetCode.ERR_OK) { GetPrepayIdTask
getPrepayId = new GetPrepayIdTask(); getPrepayId.execute(result); } } }</ void ,> |
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private WxGetAccessTokenResult
getAccessToken() { WxGetAccessTokenResult
result = new WxGetAccessTokenResult(); String
url = String.format(api_get_access_token, "client_credential" , app_wx_appid, app_wx_secret_key); byte []
buf = WeixinUtil.httpGet(url); if (buf
== null ||
buf.length == 0 )
{ result.localRetCode
= WxLocalRetCode.ERR_HTTP; return result; } String
content = new String(buf); result.parseFrom(content); return result; } |
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private class
GetPrepayIdTask extends AsyncTask<wxgetaccesstokenresult,
void ,= "" wxgetprepayidresult= "" >
{ @Override protected WxGetPrepayIdResult
doInBackground(WxGetAccessTokenResult... params) { WxGetPrepayIdResult
result = getPrepayId(params[ 0 ]); return result; } @Override protected void
onPostExecute(WxGetPrepayIdResult result) { if (result.localRetCode
== WxLocalRetCode.ERR_OK) { sendPayReq(result); } } }</wxgetaccesstokenresult,> |
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private WxGetPrepayIdResult
getPrepayId(WxGetAccessTokenResult accessTokenResult) { String
url = String.format(api_get_preorder_id,accessTokenResult.accessToken); String
entity = appSign.getWxPrepayAppSign(); WxGetPrepayIdResult
result = new WxGetPrepayIdResult(); byte []
buf = WeixinUtil.httpPost(url, entity); if (buf
== null ||
buf.length == 0 )
{ result.localRetCode
= WxLocalRetCode.ERR_HTTP; return result; } String
content = new String(buf); result.parseFrom(content); return result; } |
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<span
style= "white-space:pre" >
</span> private void
sendPayReq(WxGetPrepayIdResult result) { PayReq
req = new PayReq(); req.appId
= app_wx_appid; req.partnerId
= app_tx_parent_key; req.prepayId
= result.prepayId; req.nonceStr
= appSign.getNoncestr(); req.timeStamp
= appSign.getTimestamp(); req.packageValue
= "Sign=" +
appSign.getPackageSign(); List<namevaluepair>
signParams = new LinkedList<namevaluepair>(); signParams.add( new BasicNameValuePair( "appid" ,
req.appId)); signParams.add( new BasicNameValuePair( "appkey" ,
app_wx_pay_key)); signParams.add( new BasicNameValuePair( "noncestr" ,
req.nonceStr)); signParams.add( new BasicNameValuePair( "package" ,
req.packageValue)); signParams.add( new BasicNameValuePair( "partnerid" ,
req.partnerId)); signParams.add( new BasicNameValuePair( "prepayid" ,
req.prepayId)); signParams.add( new BasicNameValuePair( "timestamp" ,
req.timeStamp)); req.sign
= WeixinUtil.genSign(signParams); wxRequest.sendReq(req); }</namevaluepair></namevaluepair> |
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package net.sourceforge.simcpux.wxapi; public class
WXPayEntryActivity extends Activity
implements IWXAPIEventHandler{<pre
name= "code" class = "java" ><span
style= "white-space:pre" >
</span> @Override public void
onResp(BaseResp resp) { Log.d(TAG, "onPayFinish,
errCode = "
+ resp.errCode); if (resp.getType()
== ConstantsAPI.COMMAND_PAY_BY_WX) { AlertDialog.Builder
builder = new AlertDialog.Builder( this ); builder.setTitle( "支付结果" ); builder.setMessage( "支付结果" +String.valueOf(resp.errCode)); builder.show(); } }</pre>} <p></p> <pre class = "brush:java;" ></pre> ========================================== <p></p> <p>暂时没想到其他想说的,先看个效果</p> <p> 1 ,包结构,需要注意的就是接收微信返回结果的那个类名;</p> <p><img
src= "http://www.2cto.com/uploadfile/Collfiles/20140901/201409010901522.png" alt= "\"
style=" display:
inline; width: 239px; height: 238px;"></p> <p> 2 ,组装数据,规则在文档中有说明<喎� "http://www.2cto.com/kf/ware/vc/" target= "_blank" class = "keylink" >vcD4KPHByZSBjbGFzcz0= "brush:java;" >//package_
字段生成方法 //package生成方法: //A)对所有传入参数按照字段名的ASCII
码从小到大排序(字典序)后,使用URL 键值对的格式(即key1=value1&key2=value2…)拼接成字符串string1; //B)
在string1 最后拼接上key=partnerKey 得到stringSignTemp 字符串, 并对 stringSignTemp进行md5 运算,再将得到的字符串所有字符转换为大写,得到sign值signValue。 //C)对string1
中的所有键值对中的value 进行urlencode 转码,按照a 步骤重新拼接成字符串,得到string2。对于js 前端程序,一定要使用函数encodeURIComponent 进行urlencode编码(注意!进行urlencode时要将空格转化为%20而不是+)。 //D)将sign=signValue
拼接到string1 后面得到最终的package 字符串。 //app_signature生成方法: //A)参与签名的字段包括:appid、appkey、noncestr、package、timestamp以及
traceid //B)对所有待签名参数按照字段名的ASCII
码从小到大排序(字典序)后,使用URL 键值对的格式(即key1=value1&key2=value2…)拼接成字符串string1。 注意:所有参数名均为小写字符 //C)对string1
作签名算法,字段名和字段值都采用原始值,不进行URL 转义。具体签名算法为SHA1</p> |
![\](http://www.2cto.com/uploadfile/Collfiles/20140901/201409010901523.png)
3,对应的支付界面
![](http://www.2cto.com/uploadfile/Collfiles/20140901/201409010901525.png)