78 lines
1.6 KiB
Markdown
78 lines
1.6 KiB
Markdown
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# 环境
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gadget服务器给处理器提供了一个执行环境，处理器可以引用环境提供的模块，变量，函数等资源来完成处理器等处理任务
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## 请求相关环境
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### request
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服务器接收到的服务请求对象，具体内容请参考[AioHttp](https://github.com/aiohttp/aiohttp)
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### params_kw
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服务器接收到浏览器发送过来的参数，支持各种http（s）方法过来的数据
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### get_user()
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获得用户id, get_user（）是一个协程
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#### 例子
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```
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uid = await get_user()
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```
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#### 返回值
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null 或者当前登录用户id
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### remember_user()
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#### 例子
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```
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db = DBPools()
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async with db.sqlorContext(dbname) as sor:
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pwd = password(params_kw.password)
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ns = {
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"password":pwd,
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"name":params_kw.get('name')
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}
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sql = "select * from users where name=${name}$ and password=${pwd}"
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x = await sor.sqlExe(sql, ns)
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if len(x) < 1:
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return Error(msg="user or password error")
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userid = x[0].['id']
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await remember_user(userid)
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```
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从前台接收用户名和密码，密码加密后从数据库检索符合名字和密码与参数重相同的用户记录，如果没有找到提示前提错误，否则用户登录成功，服务器记住登录用户的ID
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#### 参数说明
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##### userid
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用户id
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##### 返回值
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无
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### entire_url(url)
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获得参数URL的绝对url
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#### 例子
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dspy
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```
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url = entire_url('insert.dspy')
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```
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template
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```
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{
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"widgettype":"urlwidget",
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"options":{
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"url":"{{entire_url('insert.dspy')}}"
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}
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}
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```
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#### 参数说明
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##### url
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相对路径或绝对路径
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可以上一下形式
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* http://.....
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* https://......
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* /abc/lerltg.tmpl
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* abc/gggg.html
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##### 返回值
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带http的路径
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