调用支付JSAPI缺少参数 total_fee

Question

小程序 微信付款调试报错
form发生了submit事件，携带数据为： wxzf
fukuan.js? [sm]:121 是否余额 2
fukuan.js? [sm]:263 微信支付流程
fukuan.js? [sm]:273 {data: 7, header: {…}, statusCode: 200, errMsg: "request:ok"}
fukuan.js? [sm]:422 {data: {…}, header: {…}, statusCode: 200, errMsg: "request:ok"}
fukuan.js? [sm]:281 {data: {…}, header: {…}, statusCode: 200, errMsg: "request:ok"}data: {appId: "wx98f9d995162227d0", timeStamp: "1520059584", nonceStr: "yuo73p1yyv9ayg0frywcs72olmw7bmkc", package: "prepay_id=", signType: "MD5", …}errMsg: "request:ok"header: {Date: "Sat, 03 Mar 2018 06:46:23 GMT", Server: "Apache", X-Powered-By: "PHP/5.4.35", Expires: "Thu, 19 Nov 1981 08:52:00 GMT", Cache-Control: "no-store, no-cache, must-revalidate, post-check=0, pre-check=0", …}statusCode: 200__proto__: Object
fukuan.js? [sm]:294 {err_desc: "调用支付JSAPI缺少参数: total_fee", err_code: "-1", errMsg: "requestPayment:fail"}