封装增删改查

src/utils/dbUitls.js

@@ -1,5 +1,6 @@
 const mysql = require("mysql");
 const dbConfig = require("../config/db");
+const {v4: uuid} = require("uuid");
 const query = sql => new Promise((resolve, reject) => {
   this.pool?.getConnection((err, conn) => {
     if (err) {
@@ -24,6 +25,7 @@ module.exports = {
   },
   query,
   list: ({table, search, con}) => {
+    //列表查询
     let total = 0, records = []
     if (table) {
       const {current, size} = search, params = JSON.parse(JSON.stringify(search))
@@ -42,5 +44,31 @@ module.exports = {
       })
     }
   },
+  addOrUpdate: ({table, form}) => {
+    //新增和更新
+    let sql
+    if (form.id) {//编辑
+      let arr = Object.keys(form).filter(e => form[e]).map(e => {
+        if (typeof form[e] == "object") form[e] = JSON.stringify(form[e])
+        return `${e}='${form[e]}'`
+      })
+      sql = `update ${table} set ${arr.join(",")} where id='${form.id}'`
+    } else {//新增
+      let cols = [], arr = []
+      Object.keys(form).map(e => {
+        if (form[e]) {
+          cols.push(e)
+          if (typeof form[e] == "object") form[e] = JSON.stringify(form[e])
+          arr.push(`'${form[e]}'`)
+        }
+      })
+      sql = `insert into ${table} (id,${cols.join(",")}) values('${uuid()}',${arr.join(",")})`
+    }
+    return query(sql)
+  },
+  delete: ({table, ids}) => {
+    ids = ids?.split(",")?.map(e => `'${e}'`)?.toString()
+    return query(`delete from ${table} where id in (${ids})`)
+  },
   format: args => args.map(e => `${e.prop}`).join(" ")
 }