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tool/node-wxpay/utils/refund_middleware.js

@@ -0,0 +1,35 @@
+'use strict';
+const xml2js = require('xml2js');
+
+module.exports = () => {
+    return async (ctx, next) => {
+        let paramsJson = null;
+        let contentType = ctx.headers['content-type'] || 'application/json';
+        if (contentType.indexOf('xml') !== -1) { // xml格式参数获取
+            let data = '';
+            ctx.req.setEncoding('utf8');
+            ctx.req.on('data', function(chunk) {
+                data += chunk;
+            });
+            
+            const getxml = await new Promise(function(resolve) {
+                    ctx.req.on('end', function() {
+                        resolve(data);
+                    });
+                });
+            const parseObj = await new Promise(function(resolve) {
+                    xml2js.parseString(getxml, {
+                        'explicitArray': false,
+                    }, function(err, json) {
+                        if (err) throw err;
+                        return resolve(json);
+                    });
+                });
+            if (parseObj.xml) delete parseObj.xml._;
+            paramsJson = parseObj.xml;
+            
+        }
+        ctx.request.body = paramsJson;
+        await next();
+    };
+};

tool/node-wxpay/utils/util.js

@@ -0,0 +1,7 @@
+'use strict';
+
+module.exports = {
+    getNonceStr() {
+        return Math.random().toString(36).substr(2, 15);
+    },
+};