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:
//微信公众平台id;
privateString
app_wx_appid=WxConstants.app_wx_appid;
//微信开放平台和商户约定的密钥
privateString
app_wx_secret_key="db426a9829e4b49a0dcac7b4162da6b6";
//微信公众平台商户模块和商户约定的密钥
privateString
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
privateString
app_wx_pay_key="L8LrMqqeGRxST5reouB0K66CaYAWpqhAVsq7ggKkxHCOastWksvuX1uvmvQclxaHoYd3ElNBrNO2DHnnzgfVG9Qs473M3DTOZug5er46FhuGofumV8H2FVR9qkjSlC5K";
//
商家向财付通申请的商家id */
privateString
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;
privateclass
GetAccessTokenTask extendsAsyncTask<void,void,=""wxgetaccesstokenresult="">
{
@Override
protectedWxGetAccessTokenResult
doInBackground(Void... params) {
WxGetAccessTokenResult
result = getAccessToken();
returnresult;
}
@Override
protectedvoid
onPostExecute(WxGetAccessTokenResult result) {
if(result.localRetCode
== WxLocalRetCode.ERR_OK) {
GetPrepayIdTask
getPrepayId = newGetPrepayIdTask();
getPrepayId.execute(result);
}
}
}</void,>
解析服务器响应
privateWxGetAccessTokenResult
getAccessToken() {
WxGetAccessTokenResult
result = newWxGetAccessTokenResult();
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;
returnresult;
}
String
content = newString(buf);
result.parseFrom(content);
returnresult;
}
第二步,根据第一步的accesstoken值,将 组装的商品参数Post给微信服务器
privateclass
GetPrepayIdTask extendsAsyncTask<wxgetaccesstokenresult,
void,=""wxgetprepayidresult="">
{
@Override
protectedWxGetPrepayIdResult
doInBackground(WxGetAccessTokenResult... params) {
WxGetPrepayIdResult
result = getPrepayId(params[0]);
returnresult;
}
@Override
protectedvoid
onPostExecute(WxGetPrepayIdResult result) {
if(result.localRetCode
== WxLocalRetCode.ERR_OK) {
sendPayReq(result);
}
}
}</wxgetaccesstokenresult,>
组装参数
privateWxGetPrepayIdResult
getPrepayId(WxGetAccessTokenResult accessTokenResult) {
String
url = String.format(api_get_preorder_id,accessTokenResult.accessToken);
String
entity = appSign.getWxPrepayAppSign();
WxGetPrepayIdResult
result = newWxGetPrepayIdResult();
byte[]
buf = WeixinUtil.httpPost(url, entity);
if(buf
== null||
buf.length == 0)
{
result.localRetCode
= WxLocalRetCode.ERR_HTTP;
returnresult;
}
String
content = newString(buf);
result.parseFrom(content);
returnresult;
}
Post给服务器
<span
style="white-space:pre">
</span>privatevoid
sendPayReq(WxGetPrepayIdResult result) {
PayReq
req = newPayReq();
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 = newLinkedList<namevaluepair>();
signParams.add(newBasicNameValuePair("appid",
req.appId));
signParams.add(newBasicNameValuePair("appkey",
app_wx_pay_key));
signParams.add(newBasicNameValuePair("noncestr",
req.nonceStr));
signParams.add(newBasicNameValuePair("package",
req.packageValue));
signParams.add(newBasicNameValuePair("partnerid",
req.partnerId));
signParams.add(newBasicNameValuePair("prepayid",
req.prepayId));
signParams.add(newBasicNameValuePair("timestamp",
req.timeStamp));
req.sign
= WeixinUtil.genSign(signParams);
wxRequest.sendReq(req);
}</namevaluepair></namevaluepair>
第三步:在项目下新建一个包wxapi,建立一个类名为WXPayEntryActivity作为接受微信的支付结果,不过最终结果以服务器的返回为准notify_url:
packagenet.sourceforge.simcpux.wxapi;
publicclass
WXPayEntryActivity extendsActivity
implementsIWXAPIEventHandler{<pre
name="code"class="java"><span
style="white-space:pre">
</span>@Override
publicvoid
onResp(BaseResp resp) {
Log.d(TAG,"onPayFinish,
errCode = "
+ resp.errCode);
if(resp.getType()
== ConstantsAPI.COMMAND_PAY_BY_WX) {
AlertDialog.Builder
builder = newAlertDialog.Builder(this);
builder.setTitle("支付结果");
builder.setMessage("支付结果"+String.valueOf(resp.errCode));
builder.show();
}
}</pre>}
<p></p>
<preclass="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>
3,对应的支付界面