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修改用户接口，编写例子并进行分页、排序、删除等数据表操作功能测试

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This commit is contained in:
wanglei 2025-10-25 16:27:52 +08:00
parent 6581489a07
commit a786ad1c6f
3 changed files with 93 additions and 82 deletions
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4
src/api/system/user.lua
View File

@ -61,7 +61,7 @@ end
--根据用户id删除用户信息
function _M.delete_user(m)
local id = m.id
local code, ret = dao.delete_user(id)
local code, ret = dao.deleteUser(id)
local result = resp:json(code, ret)
resp:send(result)
end
@ -79,7 +79,7 @@ function _M.update_user(m)
resp:send(result)
return
end
local code, ret = dao.update_user(id, body_data)
local code, ret = dao.updateUser(id, body_data)
local result = resp:json(code, ret)
resp:send(result)
end

80
src/test/test.lua
View File

@ -31,46 +31,64 @@ code, res = User:all()
-- end
--end
--ngx.say("----begin where and query---")
-- 返回 users 表中 username 字段的值是 `cgreen` 的，`password` 字段的值是 `xxxxxx` 的多条数据，注意此处返回是 table 数组，`first()` 方法返回的是单条数据
code, res = User:where('username','=','zhangsan'):where('password','=','111111'):get()
for _, row in ipairs(res) do
for key, value in pairs(row) do
ngx.say(key .. ":" .. tostring(value))
end
end
code, res = User:where('name','=','zhangsan'):where('password','=','111111'):get()
--for _, row in ipairs(res) do
-- for key, value in pairs(row) do
-- ngx.say(key .. ":" .. tostring(value))
-- end
--end
--ngx.say("----begin where or query---")
-- 返回 `name` 为 `xxx` 或者 `yyy` 的所有用户 table 数组
code, res = User:where('name','=','zhangsan'):orwhere('name','=','admin'):get()
for _, row in ipairs(res) do
--for _, row in ipairs(res) do
-- for key, value in pairs(row) do
-- ngx.say(key .. ":" .. tostring(value))
-- end
--end
--orderby(column, option)方法，第一个参数传入排序的列名，第二个参数默认为ASC 也可以传入 ASC 正序 或 DESC 倒序(不区分大小写)，
code, res = User:orderby('created_time'):get()
--for _, row in ipairs(res) do
-- for key, value in pairs(row) do
-- ngx.say(key .. ":" .. tostring(value))
-- end
--end
-- 创建一个用户
code, res = User:create({
id='3',
password='22222',
name='lisi',
email='lisi@gmail.com',
})
-- 更新 id = 1 的 user 的 name 为 test, avatar 为 NULL
code, res = User:where('id', '=', '3'):update({
phone='666666',
email='zhangsan@qq.com'
})
--输出更新后影响的行总数
ngx.say("update affected_rows: ", res.affected_rows)
-- 删除 id = 1 的用户
code, res = User:where('id','=','3'):delete()
ngx.say("delete affected_rows: ", res.affected_rows)
--分页 获取数据表中的记录
local data = nil
code, data = User:paginate(1)
local count = data.total
ngx.say("data total:", count)
for _, row in ipairs(data.data) do
ngx.say("begin show data:")
for key, value in pairs(row) do
ngx.say(key .. ":" .. tostring(value))
end
end
--orderby(column, option)方法，第一个参数传入排序的列名，第二个参数默认为ASC 也可以传入 ASC 正序 或 DESC 倒序(不区分大小写)，
--code, res = User:orderby('created_at'):get()
-- 创建一个用户
--code, res = User:create({
-- id=3,
-- password='22222',
-- name='lisi',
-- email='lisi@gmail.com',
--})
-- 更新 id = 1 的 user 的 name 为 test, avatar 为 NULL
--code, res = User:where('id', '=', '1'):update({
-- phone='666666',
-- email='zhangsan@qq.com'
--})
-- 删除 id = 1 的用户
--code, res = User:where('id','=','1'):delete()
--分页 获取数据表中的记录
--local code, userPages = User:paginate(1)
--ngx.say(userPages)
--获取请求参数的键值和数据值
--local cjson = require("cjson")
--local header = ngx.req.get_headers()

91
src/util/model.lua
View File

@ -65,7 +65,7 @@ function _M:retrieve_relations(ids)
return {}
end
local ids_str = implode(unique(ids))
self.relation_sql = 'select * from '..self.relation.model.table..' where ' .. self.relation.foreign_key .. ' in (' .. ids_str .. ')'
self.relation_sql = 'select * from \"'..self.relation.model.table..'\" where ' .. self.relation.foreign_key .. ' in (' .. ids_str .. ')'
return table_remove(self:query(self.relation_sql, READ), self.relation.model:get_hidden())
end
@ -128,7 +128,7 @@ function _M:find(id,column)
column = column or 'id'
id = transform_value(id)
ngx.log(ngx.INFO, 'table name :' .. self.table)
local sql = 'select * from '..self.table..' where '..column..'='..id..' limit 1'
local sql = 'select * from \"'..self.table..'\" where '..column..'='..id..' limit 1'
ngx.log(ngx.INFO, 'query sql:', sql)
local code, res = self:query(sql, READ)
if table.getn(res) > 0 then
@ -210,63 +210,56 @@ function _M:get(num)
end
if not self.query_sql then
ngx.log(ngx.ERR,'do not have query sql str')
return
return 2,nil
end
local sql = 'select * from '..self.table..' '..self.query_sql .. ' ' .. limit_sql
local res = self:query(sql, READ)
local sql = 'select * from \"'..self.table..'\" '..self.query_sql .. ' ' .. limit_sql
local code,res = self:query(sql, READ)
if self.relation.local_key ~= nil then
return self:make_relations(res)
return code, self:make_relations(res)
end
return res
return code, res
end
--根据数据模型中的
function _M:paginate(page_num, page_size)
page_num = page_num or 1
page_size = page_size or 10
local sql, count_sql, total, code
local sql, count_sql, total, code, res
local data={
data = {},
next_page = 1,
prev_page = 1,
total = 0
}
if not self.query_sql then
sql = 'select * from \"'..self.table..'\" limit '..page_num..' offset '..page_size
sql = 'select * from \"'..self.table..'\" limit '..page_size..' offset '..(page_num - 1) * page_size
count_sql = 'select count(*) from \"'..self.table..'\"'
else
sql = 'select * from \"'..self.table .. '\" '..self.query_sql .. ' limit '..page_num..' offset '..page_size
sql = 'select * from \"'..self.table .. '\" '..self.query_sql .. ' limit '..page_size..' offset '..(page_num - 1) * page_size
count_sql = 'select count(*) from \"'..self.table..'\" '..self.query_sql
end
code, total = self:query(count_sql, READ)
if code == 0 then
data['total'] = tonumber(total[1]['count'])
data['data'] = self:make_relations(self:query(sql, READ))
end
--暂时没有理清下面的业务逻辑
if (table.getn(data['data']) + ((page_num - 1)* per_page)) < data['total'] then
data['next_page'] = page_num + 1
end
if tonumber(page_num) ~= 1 then
data['prev_page'] = page_num - 1
end
return data
code, res = self:query(sql, READ)
if code == 0 then
data['data'] = self:make_relations(res)
end
return code, data
end
--返回数据表中的第一条数据记录
function _M:first()
if not self.query_sql then
ngx.log(ngx.ERR,'do not have query sql str')
return
return 2,nil
end
local sql = 'select * from '..self.table..' '..self.query_sql..' limit 1'
local res = self:query(sql, READ)
local sql = 'select * from \"'..self.table..'\" '..self.query_sql..' limit 1'
local code, res = self:query(sql, READ)
if next(res) ~= nil then
res = self:make_relations(res)
return res[1]
else
return false
return code, res[1]
end
return code, nil
end
--插入数据内容到数据表中
@ -282,7 +275,7 @@ function _M:create(data)
values = values..','..value
end
end
return self:query('insert into '..self.table..'('..columns..') values('..values..')', WRITE)
return self:query('insert into \"'..self.table..'\"('..columns..') values('..values..')', WRITE)
end
function _M:with(relation)
@ -313,18 +306,19 @@ end
--根据id删除数据库中的数据记录
function _M:delete(id)
id = id or nil
if not id then
-- 拼接需要delete的字段
if self.query_sql then
local sql = 'delete from '..self.table..' '..self.query_sql..' limit 1'
return self:query(sql, WRITE)
end
ngx.log(ngx.ERR,'delete function need prefix sql')
ngx.exit(500)
else
return self:query('delete from '..self.table..' where id=' .. id .. ' limit 1', WRITE)
end
return false
if not id then
-- 拼接需要delete的字段
if self.query_sql then
--postgres 数据库使用delete语句时不支持limit
--local sql = 'delete from \"'..self.table..'\" '..self.query_sql..' limit 1'
local sql = 'delete from \"'..self.table..'\" '..self.query_sql
return self:query(sql, WRITE)
end
ngx.log(ngx.ERR,'delete function need prefix sql')
return 2, nil
end
--return self:query('delete from '..self.table..' where id=' .. id .. ' limit 1', WRITE)
return self:query('delete from \"'..self.table..'\" where id='.. id, WRITE)
end
--软删除数据，不从数据表中删除记录，只将定义表中的字段值进行处理
@ -343,7 +337,7 @@ function _M:update(data)
-- 拼接需要update的字段
local str = nil
for column,value in pairs(data) do
clean_value = transform_value(value)
local clean_value = transform_value(value)
if not str then
str = column..'='..clean_value
else
@ -352,12 +346,13 @@ function _M:update(data)
end
-- 判断是模型自身执行update还是数据库where限定执行
if self.query_sql then
local sql = 'update '..self.table..' set '..str..' '..self.query_sql..' limit 1'
--postgres 数据库使用update语句时不支持limit
--local sql = 'update \"'..self.table..'\" set '..str..' '..self.query_sql..' limit 1'
local sql = 'update \"'..self.table..'\" set '..str..' '..self.query_sql
return self:query(sql, WRITE)
end
ngx.log(ngx.ERR,'update function cannot called without restriction')
ngx.exit(500)
return false
return 2, nil
end
--查询数据表中的数据记录
@ -381,12 +376,10 @@ function _M:query(sql, type)
ngx.log(ngx.ERR, "write db error. res: " .. (code or "no reason"))
return code, nil
end
return code, result.affected_rows
else
ngx.log(ngx.ERR, 'type invalid, need ' .. READ .. ' or '..WRITE)
ngx.exit(500)
return 2, nil
return code, result
end
ngx.log(ngx.ERR, 'type invalid, need ' .. READ .. ' or '..WRITE)
return 2, nil
end
--获取需要隐藏的列