위챗 JSSDK 결제

 1 var appId,timeStamp,nonceStr,package,signType,paySign; 
 2 function goumai(){
 3     $.confirm({
 4     　　title: ' ',
 5     　　text: '<div class="comfirm-tip"> ?div>',
 6     　　onOK: function () {
 7     　　　　$('#rechargeHalf').removeClass('weui-popup__container--visible');
 8        　　$('#rechargeHalf').hide();
 9        　　var price = ($("#monid").text() * 100).toFixed(0);
10        　　mui.ajax(wxshop.serverUrl+"/wxUserCenter/gotozhifu",{
11        　　　　type:'post',
12        　　　　data:{
13           　　　　code:wxshop.getUrlParam("code"),
14           　　　　price:price,
15           　　},
16           　　dataType:'json',
17           　　success:function(data){
18           　　　　if(data.ret == 1){
19              　　　　appId=data.payMap.appId;
20                 　　timeStamp=data.payMap.timeStamp;
21                 　　nonceStr=data.payMap.nonceStr;
22                 　　package=data.payMap.package;
23                 　　signType=data.payMap.signType;
24                 　　paySign=data.payMap.paySign;
25                 　　callpay();
26           　　　　}
27           　　　　if(data.ret == 2){
28           　　　　　　wxshop.getOpenId(data.appid);
29              　　　　return;
30           　　　　}
31           　　　　if(data.ret == 0){
32           　　　　　　alert(data.msg);
33           　　　　}
34       　　　　}
35   　　　　});
36 　　　　},
37        onCancel: function () {
38        　　$('#rechargeHalf').removeClass('weui-popup__container--visible');
39           $('#rechargeHalf').hide();
40        }
41      });
42 　　　function callpay(){
43      　　if (typeof WeixinJSBridge == "undefined"){
44         　　if( document.addEventListener ){
45            　　document.addEventListener('WeixinJSBridgeReady', onBridgeReady, false);
46            }else if (document.attachEvent){
47            　　document.attachEvent('WeixinJSBridgeReady', onBridgeReady);
48               document.attachEvent('onWeixinJSBridgeReady', onBridgeReady);
49            }
50         }else{
51            onBridgeReady();
52         }
53　　}
54　　function onBridgeReady(){
55   　　WeixinJSBridge.invoke( 'getBrandWCPayRequest', {
56      　　"appId":appId,     // ,      
57         "timeStamp":timeStamp,         // , 1970      
58         "nonceStr":nonceStr, //      
59         "package":package,     
60         "signType":signType,         // ：     
61         "paySign":paySign //  
62　　　　}, 
63       function(res){     
64       　　if(res.err_msg == "get_brand_wcpay_request:ok" ) {
65          　　console.log(' ');                
66          }else if(res.err_msg == "get_brand_wcpay_request:cancel"){
67          　　console.log(' ');
68          }else if(res.err_msg == "get_brand_wcpay_request:fail"){
69          　　console.log(' ');
70             WeixinJSBridge.call('closeWindow');
71          }
72　　　　});   
73　　}
74}    

 1 public class PayUtil {
 2 
 3     /**
 4        *  jssdk 
 5        * @param request
 6        * @param response
 7        * @param fee
 8        * @return
 9     */ 
10     public static Map pay(HttpServletRequest request, HttpServletResponse response, String fee) {
11     　　Map preData = new HashMap();
12     　　Map payMap = new HashMap();
13     　　try {
14        　　String openid = null;
15        　　WsMember member = WsUtils.getMember(request, response);
16           if (member != null) {
17           　　openid = member.getOpenId();
18           }
19           WxAccount account = WsUtils.getAccount();
20         　preData.put("appid", account.getAccountAppid());
21           preData.put("mch_id", account.getMchId());
22           preData.put("nonce_str", WXPayUtil.generateNonceStr());
23           String body = utf8Utils.toUTF8(" ");
24           preData.put("body", body);
25           Random random = new Random();
26           String out_trade_no = "";
27           for (int i = 0; i < 30; i++) {
28               out_trade_no += random.nextInt(10);
29           }
30 //        preData.put("out_trade_no", WXPayUtil.generateNonceStr());
31         　preData.put("total_fee", fee);
32           preData.put("spbill_create_ip", request.getLocalAddr());
33           preData.put("notify_url", "xxx.com/bpphone/index.html");
34           preData.put("openid", openid);
35           preData.put("trade_type", "JSAPI");
36           String sign = WXPayUtil.generateSignature(preData, account.getPayKey());
37           preData.put("sign", sign);
38           String xml = WXPayUtil.mapToXml(preData);
39           String unifiedorder_url = "https://api.mch.weixin.qq.com/pay/unifiedorder";
40           String xmlStr = httpUtils.post(unifiedorder_url, xml);
41           System.out.println("xmlStr============="+xmlStr);
42           String prepay_id = "";
43           if (xmlStr.indexOf("SUCCESS") != -1) {
44           　　Map map = WXPayUtil.xmlToMap(xmlStr);
45              prepay_id = (String) map.get("prepay_id");
46           }
47           payMap.put("appId", account.getAccountAppid());
48           payMap.put("timeStamp", WXPayUtil.getCurrentTimestamp() + "");
49           payMap.put("nonceStr", WXPayUtil.generateNonceStr());
50           payMap.put("package", "prepay_id=" + prepay_id);
51           payMap.put("signType", "MD5");
52           String paySign = WXPayUtil.generateSignature(payMap, account.getPayKey());
53           payMap.put("paySign", paySign);
54       } catch (Exception e) {
55           payMap.put("ret", InterConstant.RET_WX);
56           payMap.put("appid", WsUtils.getAccount().getAccountAppid());
57           e.printStackTrace();
58       }
59           return payMap;
60       }       
61 　　}
62 }