gsb

signsve/app/base/service/sve2.base.js

+const system = require("../system");
+const moment = require('moment')
+const settings = require("../../config/settings");
+const md5 = require("MD5");
+class ServiceBase {
+    constructor() {
+        this.restClient = system.getObject("util.restClient");
+    }
+    /**
+     * 验证签名
+     * @param {*} params 要验证的参数 
+     * @param {*} app_key 应用的校验key
+     */
+    async verifySign(params, app_key) {
+        if (!params) {
+            return system.getResult(null, "请求参数为空");
+        }
+        if (!params.sign) {
+            return system.getResult(null, "请求参数sign为空");
+        }
+        var signArr = [];
+        var keys = Object.keys(params).sort();
+        if (keys.length == 0) {
+            return system.getResult(null, "请求参数信息为空");
+        }
+        for (let k = 0; k < keys.length; k++) {
+            const tKey = keys[k];
+            if (tKey != "sign" && params[tKey] && !(params[tKey] instanceof Array)) {
+                signArr.push(tKey + "=" + params[tKey]);
+            }
+        }
+        if (signArr.length == 0) {
+            return system.getResult(null, "请求参数组装签名参数信息为空");
+        }
+        var resultSignStr = signArr.join("&") + "&key=" + app_key;
+        var resultTmpSign = md5(resultSignStr).toUpperCase();
+        if (params.sign != resultTmpSign) {
+            return system.getResult(null, "返回值签名验证失败");
+        }
+        return system.getResultSuccess();
+    }
+    /**
+     * 创建签名
+     * @param {*} params 要验证的参数 
+     * @param {*} app_key 应用的校验key
+     */
+    async createSign(params, app_key) {
+        if (!params) {
+            return system.getResultFail(-310, "请求参数为空");
+        }
+        var signArr = [];
+        var keys = Object.keys(params).sort();
+        if (keys.length == 0) {
+            return system.getResultFail(-330, "请求参数信息为空");
+        }
+        for (let k = 0; k < keys.length; k++) {
+            const tKey = keys[k];
+            if (tKey != "sign" && params[tKey] && !(params[tKey] instanceof Array)) {
+                signArr.push(tKey + "=" + params[tKey]);
+            }
+        }
+        if (signArr.length == 0) {
+            return system.getResultFail(-350, "请求参数组装签名参数信息为空");
+        }
+        var resultSignStr = signArr.join("&") + "&key=" + app_key;
+        var resultTmpSign = md5(resultSignStr).toUpperCase();
+        return system.getResultSuccess(resultTmpSign);
+    }
+    /**
+     * 验证参数信息不能为空
+     * @param {*} params 验证的参数
+     * @param {*} verifyParamsCount 需要验证参数的数量，如至少验证3个，则传入3
+     * @param {*} columnList 需要过滤掉的验证参数列表，格式:[]
+     */
+    async verifyParams(params, verifyParamsCount, columnList) {
+        if (!params) {
+            return system.getResult(null, "请求参数为空");
+        }
+        if (!columnList) {
+            columnList = [];
+        }
+        var keys = Object.keys(params);
+        if (keys.length == 0) {
+            return system.getResult(null, "请求参数信息为空");
+        }
+        if (keys.length < verifyParamsCount) {
+            return system.getResult(null, "请求参数不完整");
+        }
+        var tResult = system.getResultSuccess();
+        for (let k = 0; k < keys.length; k++) {
+            const tKeyValue = keys[k];
+            if (columnList.length == 0 || columnList.indexOf(tKeyValue) < 0) {
+                if (!tKeyValue) {
+                    tResult = system.getResult(null, k + "参数不能为空");
+                    break;
+                }
+            } //白名单为空或不在白名单中，则需要验证不能为空
+        }
+        return tResult;
+    }
+
+    /*
+    返回20位业务订单号
+    prefix：业务前缀
+    */
+    async getBusUid(prefix) {
+        prefix = (prefix || "");
+        if (prefix) {
+            prefix = prefix.toUpperCase();
+        }
+        var prefixlength = prefix.length;
+        var subLen = 8 - prefixlength;
+        var uidStr = "";
+        if (subLen > 0) {
+            uidStr = await this.getUidInfo(subLen, 60);
+        }
+        var timStr = moment().format("YYYYMMDDHHmm");
+        return prefix + timStr + uidStr;
+    }
+    /*
+    len：返回长度
+    radix：参与计算的长度，最大为62
+    */
+    async getUidInfo(len, radix) {
+        var chars = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'.split(''); //长度62，到yz长度为长36
+        var uuid = [],
+            i;
+        radix = radix || chars.length;
+        if (len) {
+            for (i = 0; i < len; i++) uuid[i] = chars[0 | Math.random() * radix];
+        } else {
+            var r;
+            uuid[8] = uuid[13] = uuid[18] = uuid[23] = '-';
+            uuid[14] = '4';
+            for (i = 0; i < 36; i++) {
+                if (!uuid[i]) {
+                    r = 0 | Math.random() * 16;
+                    uuid[i] = chars[(i == 19) ? (r & 0x3) | 0x8 : r];
+                }
+            }
+        }
+        return uuid.join('');
+    }
+
+    handleDate(row, fields, pattern, addHours) {
+        pattern = pattern || "YYYY-MM-DD HH:mm";
+        if (!row) {
+            return;
+        }
+        for (var field of fields) {
+            if (row[field]) {
+                if (addHours) {
+                    row[field] = moment(row[field]).add(addHours, "hours").format(pattern);
+                } else {
+                    row[field] = moment(row[field]).format(pattern);
+                }
+
+            }
+        }
+    }
+
+    addWhereTime(where, field, begin, end) {
+        if (!begin && !end) {
+            return;
+        }
+
+        if (begin && end) {
+            where[field] = {
+                [this.db.Op.between]: [begin, end]
+            };
+        } else if (begin && !end) {
+            where[field] = {
+                [this.db.Op.gte]: begin
+            };
+        } else if (!begin && end) {
+            where[field] = {
+                [this.db.Op.lte]: end
+            };
+        }
+    }
+
+    trim(o) {
+        if (!o) {
+            return "";
+        }
+        return o.toString().trim();
+    }
+}
+module.exports = ServiceBase;
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