使用json-server快速搭建本地数据接口

终端输入：sudo npm install -g json-server

创建一个json文件
{
  "user": [
    {
      "id": 1,
      "name": "james",
      "phone": "333-444-555",
      "email": "james@sina.com",
      "age": 30,
      "companyid": 1
    },
    {
      "id": 2,
      "name": "curry",
      "phone": "333-444-555",
      "email": "curry@sina.com",
      "age": 31,
      "companyid": 2
    },
    {
      "id": 3,
      "name": "davis",
      "phone": "333-444-555",
      "email": "davis@sina.com",
      "age": 3,
      "companyid": 3
    },
    {
      "id": 4,
      "name": "jackson",
      "phone": "333-444-555",
      "email": "jackson@sina.com",
      "age": 33,
      "companyid": 3
    },
    {
      "name": "bryant",
      "phone": "333-444-555",
      "email": "bryant@sina.com",
      "age": 41,
      "companyid": 4,
      "id": 5
    }
  ],
  "company": [
    {
      "id": 1,
      "companyname": "apple",
      "des": "apple is good"
    },
    {
      "id": 2,
      "companyname": "huawei",
      "des": "huawei is good"
    },
    {
      "id": 3,
      "companyname": "oppo",
      "des": "oppo is good"
    },
    {
      "id": 4,
      "companyname": "alibaba",
      "des": "alibaba is good"
    }
  ]
}

get请求
# 启动json-server 
json-server --watch db.json
# 获取所有用户
http://localhost:3000/user
# 获取用户id为1的
http://localhost:3000/user/1
# 获取所有公司
http://localhost:3000/company/
# 获取公司id为1的
http://localhost:3000/company/1
# 根据公司名字获取公司
http://localhost:3000/company?companyname=apple
# 根据多个公司名字获取
http://localhost:3000/company?companyname=apple&companyname=alibaba
# 获取一个页面显示两条信息
http://localhost:3000/company?_page=1&_limit=2
# 升序排序
http://localhost:3000/company?_sort=id&_order=asc
# 降序排序
http://localhost:3000/company?_sort=id&_order=desc
# 获取年龄大于30的
http://localhost:3000/user?age_gte=30
# 获取年龄区间的
http://localhost:3000/user?age_gte=3&age_lte=31
# 搜索姓名
http://localhost:3000/user?q=cu

post,patch,delete,需要下载postman，官方网站:[https://www.postman.com/downloads/](https://www.postman.com/downloads/),设置Headers，key是Content-Type，value是application/json，Body选择raw
{"name": "bryant", "phone": "333-444-555","email":"bryant@sina.com","age":41,"companyid":4}