79 lines
2.4 KiB
JavaScript
79 lines
2.4 KiB
JavaScript
const mysql = require("mysql");
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const dbConfig = require("../config/db");
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const {v4: uuid} = require("uuid");
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const dayjs = require("dayjs");
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const query = sql => new Promise((resolve, reject) => {
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this.pool?.getConnection((err, conn) => {
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if (err) {
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console.log(err)
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} else {
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conn.query(sql, (err, result) => {
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if (err) {
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console.log(err)
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reject(err)
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} else {
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conn.release()
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resolve(result)
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}
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})
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}
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})
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});
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module.exports = {
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pool: null,
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init: () => {
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this.pool = mysql.createPool(dbConfig)
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},
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query,
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list: ({table, search, con = ''}) => {
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//列表查询
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let total = 0, records = []
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if (table) {
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const {current, size} = search, params = JSON.parse(JSON.stringify(search))
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delete params.current
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delete params.size
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const sqlCon = Object.keys(params).map(e => `and ${e}='${params[e]}'`).join(" ")
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return Promise.all([
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query(`select 1 from ${table} where name like '%${con}%' ${sqlCon}`).then(res => {
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return total = res.length
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}),
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query(`select * from ${table} where name like '%${con}%' ${sqlCon} limit ${((current-1)||0)*size},${size||10}`).then(res => {
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return records = res
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})
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]).then(() => {
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return {records, total}
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})
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}
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},
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addOrUpdate: ({table, form}) => {
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//新增和更新
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let sql
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if (form.id) {//编辑
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let arr = Object.keys(form).filter(e => form[e]).map(e => {
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if (typeof form[e] == "object") form[e] = JSON.stringify(form[e])
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return `${e}='${form[e]}'`
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})
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sql = `update ${table} set ${arr.join(",")} where id='${form.id}'`
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} else {//新增
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let cols = [], arr = []
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Object.keys(form).map(e => {
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if (form[e]) {
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cols.push(e)
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if (typeof form[e] == "object") form[e] = JSON.stringify(form[e])
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arr.push(`'${form[e]}'`)
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}
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})
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sql = `insert into ${table} (id,createTime,${cols.join(",")}) values('${uuid()}','${dayjs().format("YYYY-MM-DD hh:mm:ss")}',${arr.join(",")})`
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}
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return query(sql)
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},
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delete: ({table, ids}) => {
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ids = ids?.split(",")?.map(e => `'${e}'`)?.toString()
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return query(`delete from ${table} where id in (${ids})`)
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},
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detail: ({table, id}) => {
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return query(`select * from ${table} where id='${id}' limit 0,1`).then(res => res?.[0])
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},
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format: args => args.map(e => `${e.prop}`).join(" ")
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}
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