upgrade version 2.0,add login api,upgrade api verison,add document and unit test

test/search.test.js

@@ -0,0 +1,23 @@
+const assert = require('assert')
+const crypto = require('crypto')
+const { createRequest } = require("../util/util")
+const phone = "换成你的账号"
+const password = "换成你的密码"
+
+describe('测试搜索是否正常', () => {
+  it('获取到的数据的 name 应该和搜索关键词一致', done => {
+    const keywords = "海阔天空"
+    const type = 1
+    const limit = 30
+    const data = 's=' + keywords + '&limit=' + limit + '&type=' + type + '&offset=0'
+    createRequest('/api/search/pc/', 'POST', data)
+      .then(result => {
+        console.log(JSON.parse(result).result.songs[0].mp3Url)
+        assert(JSON.parse(result).result.songs[0].name === '海阔天空')
+        done()
+      })
+      .catch(err => {
+        done(err)
+      })
+  })
+})