我正在使用node js express服务器中的request npm模块向Payu服务器发送requet以验证支付。下面是代码
var reqpost = require('request'); //required for verify payment
var key = 'tkhyu';
var vhash = 'eff1fc9fe6b6f5184f407c122a4a0e796ef8085acf960ed67a28679884b5ddcf0fde9f776392c2fca617ce180d432cfa1a7e5ad849ecd2d1f4e029ee70e31a89'
var txnid = 'tx1234'
var command = 'verify_payment'
var options = {
method: 'POST',
//uri: 'https://test.payu.in/merchant/postservice.php?form=2',
uri : 'https://info.payu.in/merchant/postservice.php?form=2',//live url
form: {
key: key,
hash: vhash,
var1: txnid,
command: command
},
headers: {
'Content-Type': 'application/json'// Is set automatically
}
};
reqpost(options).on('response', function (resp) {
console.log('STATUS:'+resp.statusCode);
resp.setEncoding('utf8');
resp.on('data', function (chunk) {
console.log('chunk',chunk);
vdata = JSON.parse(chunk);
console.log('vdata',vdata);
});
})
.on('error', function (err) {
console.log(err);
res.send(JSON.stringify(err));
});
下面是我在console.log中获得的reespone
chunk {"status":1,"msg":"1 out of 1 Transactions Fetched Successfully","transaction_details":{"FLRC2349909348951":{"mihpayid":"10973572053","request_id":null,"bank_ref_num":null,"amt":"1500.00","transaction_amount":"1500.00","txnid":"FLRC2349909348951","additional_charges":"0.00","productinfo":"Wall Wrap","firstname":"Rahul","bankcode":null,"udf1":null,"udf3":null,"udf4":null,"udf5":null,"field2":null,"field9":"Cancelled by user","error_code":"E1605","addedon":"2020-08-26 1
undefined:1{"status":1,"msg":"1 out of 1 Transactions Fetched Successfully","transaction_details":
{"FLRC2349909348951:
{"mihpayid":"10973572053","request_id":null,"bank_ref_num":null,"amt":"1500.00","transaction_amount":"1500.00","txnid":"FLRC2349909348951","additional_charges":"0.00","productinfo":"Wall Wrap","firstname":"Rahul","bankcode":null,"udf1":null,"udf3":null,"udf4":null,"udf5":null,"field2":null,"field9":"Cancelled by user","error_code":"E1605","addedon":"2020-08-26 1
我有错误
SyntaxError: Unexpected end of JSON input
at JSON.parse (<anonymous>)
at IncomingMessage.<anonymous> (D:\LMS\lms_server\routes\eapplication_routes\user_api\frm_fee_lrcapi.js:174:22)
at IncomingMessage.emit (events.js:203:15)
at IncomingMessage.Readable.read (_stream_readable.js:491:10)
at flow (_stream_readable.js:957:34)
at resume_ (_stream_readable.js:938:3)
at process._tickCallback (internal/process/next_tick.js:63:19)
如果我只打印块,那么块将打印两次
chunk {"status":1,"msg":"1 out of 1 Transactions Fetched Successfully","transaction_details"
{"FLRC2349909348951":{"mihpayid":"10973572053","request_id":null,"bank_ref_num":null,"amt":"1500.00","transaction_amount":"1500.00","txnid":"FLRC2349909348951","additional_charges":"0.00","productinfo":"Wall Wrap","firstname":"Rahul","bankcode":null,"udf1":null,"udf3":null,"udf4":null,"udf5":null,"field2":null,"field9":"Cancelled by user","error_code":"E1605","addedon":"2020-08-26 1
chunk 6:21:39","payment_source":"payu","card_type":null,"error_Message":"Transaction failed due to customer pressing cancel button.","net_amount_debit":"0.00","disc":"0.00","mode":"-","PG_TYPE":"","card_no":"","udf2":null,"status":"failure","unmappedstatus":"userCancelled","Merchant_UTR":null,"Settled_At":null}}}
不知道我在哪里走错了
编辑:我编辑了我的代码,如下所示
reqpost(options).on('response', function (resp) {
console.log('STATUS:'+resp.statusCode);
resp.setEncoding('utf8');
var body = [];
resp.on('data', function (chunk) {
//console.log('chunk',chunk);
body.push(chunk);
}).on('end',()=>{
// on end of data, perform necessary action
console.log('body 1',body);
body = Buffer.concat(body).toString();
console.log('body',body);
})
})
.on('error', function (err) {
console.log(err);
res.send(JSON.stringify(err));
});
最后,当我console.log body时,我得到以下数据
body 1 [ '{"status":1,"msg":"1 out of 1 Transactions Fetched Successfully","transaction_details":{"FLRC2349909348951":{"mihpayid":"10973572053","request_id":null,"bank_ref_num":null,"amt":"1500.00","transaction_amount":"1500.00","txnid":"FLRC2349909348951","additional_charges":"0.00","productinfo":"Wall Wrap","firstname":"Rahul","bankcode":null,"udf1":null,"udf3":null,"udf4":null,"udf5":null,"field2":null,"field9":"Cancelled by user","error_code":"E1605","addedon":"2020-08-26 1',
'6:21:39","payment_source":"payu","card_type":null,"error_Message":"Transaction failed due to customer pressing cancel button.","net_amount_debit":"0.00","disc":"0.00","mode":"-","PG_TYPE":"","card_no":"","udf2":null,"status":"failure","unmappedstatus":"userCancelled","Merchant_UTR":null,"Settled_At":null}}}' ]
addedon参数被分隔为,
data
事件只是部分数据。不能只解析JSON字符串的一半。
建立一个包含从data
事件接收到的所有块的字符串,并在end
事件中处理它,当您知道您拥有所有数据时。