fuquanapi/src/main/java/com/example/webapi/controller/SupplierController.java

package com.example.webapi.controller;

import com.example.webapi.dto.SupplierQueryDTO;
import com.example.webapi.entity.Supplier;
import com.example.webapi.service.SupplierService;
import com.example.webapi.dto.ApiResponse;
import io.swagger.v3.oas.annotations.tags.Tag;
import io.swagger.v3.oas.annotations.Operation;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.PageRequest;
import org.springframework.web.bind.annotation.*;

import java.util.Optional;

@Tag(name = "供应商信息管理")
@RestController
@RequestMapping("/supplier")
public class SupplierController {

    @Autowired
    private SupplierService service;


    @Operation(summary = "条件查询供应商信息（分页）")
    @PostMapping("/page/conditions")
    public ApiResponse<Page<Supplier>> pageByConditions(@RequestBody SupplierQueryDTO queryDTO) {
        return ApiResponse.success(service.findByConditions(queryDTO));
    }

    @Operation(summary = "根据ID查询供应商信息")
    @GetMapping("/{id}")
    public ApiResponse<Supplier> getById(@PathVariable Integer id) {
        Optional<Supplier> result = service.findById(id);
        return result.map(ApiResponse::success).orElseGet(() -> ApiResponse.error("未找到该供应商信息"));
    }

    @Operation(summary = "新增供应商信息")
    @PostMapping
    public ApiResponse<Supplier> create(@RequestBody Supplier entity) {
        return ApiResponse.success(service.save(entity));
    }

    @Operation(summary = "更新供应商信息")
    @PutMapping("/{id}")
    public ApiResponse<Supplier> update(@PathVariable Integer id, @RequestBody Supplier entity) {
        entity.setId(id);
        return ApiResponse.success(service.save(entity));
    }

    @Operation(summary = "删除供应商信息")
    @DeleteMapping("/{id}")
    public ApiResponse<Void> delete(@PathVariable Integer id) {
        service.deleteById(id);
        return ApiResponse.success();
    }
}