Handling Query Parameters
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Query parameters allow you to pass additional data in the URL. They are commonly used for filtering, sorting, or searching.
A query parameter is added after the ? symbol:
/users?role=admin
To access query parameters in Nest.js, use the @Query() decorator:
import { Controller, Get, Query } from '@nestjs/common';
@Controller('users')
export class UsersController {
@Get()
getUsers(@Query('role') role: string) {
return `Role: ${role}`;
}
}
@Query('role'): extracts the value from the URL;role: contains the query parameter value.
You can also access multiple query parameters:
/users?role=admin&active=true
@Get()
getUsers(
@Query('role') role: string,
@Query('active') active: string
) {
return { role, active };
}
Query parameters are optional and are often used to control how data is returned.
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Handling Query Parameters
Query parameters allow you to pass additional data in the URL. They are commonly used for filtering, sorting, or searching.
A query parameter is added after the ? symbol:
/users?role=admin
To access query parameters in Nest.js, use the @Query() decorator:
import { Controller, Get, Query } from '@nestjs/common';
@Controller('users')
export class UsersController {
@Get()
getUsers(@Query('role') role: string) {
return `Role: ${role}`;
}
}
@Query('role'): extracts the value from the URL;role: contains the query parameter value.
You can also access multiple query parameters:
/users?role=admin&active=true
@Get()
getUsers(
@Query('role') role: string,
@Query('active') active: string
) {
return { role, active };
}
Query parameters are optional and are often used to control how data is returned.
フィードバックありがとうございます!