package com.ruoyi.system.controller;
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import java.util.List;
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import java.util.HashMap;
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import java.util.Map;
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import jakarta.servlet.http.HttpServletResponse;
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import org.springframework.security.access.prepost.PreAuthorize;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.web.multipart.MultipartFile;
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import org.springframework.web.bind.annotation.GetMapping;
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import org.springframework.web.bind.annotation.PostMapping;
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import org.springframework.web.bind.annotation.PutMapping;
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import org.springframework.web.bind.annotation.DeleteMapping;
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import org.springframework.web.bind.annotation.PathVariable;
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import org.springframework.web.bind.annotation.RequestBody;
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import org.springframework.web.bind.annotation.RequestMapping;
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import org.springframework.web.bind.annotation.RestController;
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import com.ruoyi.common.annotation.Log;
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import com.ruoyi.common.core.controller.BaseController;
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import com.ruoyi.common.core.domain.AjaxResult;
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import com.ruoyi.common.enums.BusinessType;
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import com.ruoyi.system.domain.CjCollege;
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import com.ruoyi.system.mapper.CjCollegeMapper;
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import com.ruoyi.system.mapper.CjMajorMapper;
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import com.ruoyi.system.service.ICjCollegeService;
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import com.ruoyi.common.utils.poi.ExcelUtil;
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import com.ruoyi.common.core.page.TableDataInfo;
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/**
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* 学院Controller
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*
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* @author ruoyi
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* @date 2026-09-03
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*/
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@RestController
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@RequestMapping("/system/college")
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public class CjCollegeController extends BaseController
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{
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@Autowired
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private ICjCollegeService cjCollegeService;
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@Autowired
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private CjCollegeMapper cjCollegeMapper;
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@Autowired
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private CjMajorMapper cjMajorMapper;
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/**
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* 查询学院列表
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*/
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@PreAuthorize("@ss.hasPermi('system:college:list')")
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@GetMapping("/list")
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public TableDataInfo list(CjCollege cjCollege)
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{
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startPage();
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List<CjCollege> list = cjCollegeService.selectCjCollegeList(cjCollege);
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return getDataTable(list);
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}
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/**
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* 导出学院列表
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*/
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@PreAuthorize("@ss.hasPermi('system:college:export')")
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@Log(title = "学院", businessType = BusinessType.EXPORT)
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@PostMapping("/export")
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public void export(HttpServletResponse response, CjCollege cjCollege)
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{
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List<CjCollege> list = cjCollegeService.selectCjCollegeList(cjCollege);
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ExcelUtil<CjCollege> util = new ExcelUtil<CjCollege>(CjCollege.class);
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util.exportExcel(response, list, "学院数据");
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}
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/**
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* 获取学院详细信息
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*/
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@PreAuthorize("@ss.hasPermi('system:college:query')")
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@GetMapping(value = "/{collegeId}")
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public AjaxResult getInfo(@PathVariable("collegeId") Long collegeId)
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{
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return success(cjCollegeService.selectCjCollegeByCollegeId(collegeId));
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}
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/**
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* 新增学院
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*/
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@PreAuthorize("@ss.hasPermi('system:college:add')")
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@Log(title = "学院", businessType = BusinessType.INSERT)
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@PostMapping
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public AjaxResult add(@RequestBody CjCollege cjCollege)
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{
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return toAjax(cjCollegeService.insertCjCollege(cjCollege));
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}
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/**
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* 修改学院
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*/
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@PreAuthorize("@ss.hasPermi('system:college:edit')")
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@Log(title = "学院", businessType = BusinessType.UPDATE)
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@PutMapping
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public AjaxResult edit(@RequestBody CjCollege cjCollege)
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{
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return toAjax(cjCollegeService.updateCjCollege(cjCollege));
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}
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/**
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* 删除学院（引用保护：其下存在专业时禁止删除）
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*/
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@PreAuthorize("@ss.hasPermi('system:college:remove')")
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@Log(title = "学院", businessType = BusinessType.DELETE)
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@DeleteMapping("/{collegeIds}")
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public AjaxResult remove(@PathVariable Long[] collegeIds)
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{
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if (collegeIds != null && collegeIds.length > 0
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&& cjMajorMapper.countByCollegeIds(collegeIds) > 0)
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{
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return error("该学院下存在专业，无法删除；请先删除其下专业，或改用“停用”");
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}
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return toAjax(cjCollegeService.deleteCjCollegeByCollegeIds(collegeIds));
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}
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/**
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* 学院停用/启用（0正常 1停用）
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*/
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@PreAuthorize("@ss.hasPermi('system:college:status')")
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@Log(title = "学院", businessType = BusinessType.UPDATE)
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@PutMapping("/changeStatus")
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public AjaxResult changeStatus(@RequestBody CjCollege cjCollege)
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{
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CjCollege update = new CjCollege();
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update.setCollegeId(cjCollege.getCollegeId());
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update.setStatus(cjCollege.getStatus());
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update.setUpdateBy(getUsername());
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return toAjax(cjCollegeService.updateCjCollege(update));
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}
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/**
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* 导入学院（冲突处理：匹配学院名称，覆盖或跳过）
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*/
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@PreAuthorize("@ss.hasPermi('system:college:import')")
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@Log(title = "学院", businessType = BusinessType.IMPORT)
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@PostMapping("/importData")
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public AjaxResult importData(MultipartFile file, boolean updateSupport) throws Exception
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{
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ExcelUtil<CjCollege> util = new ExcelUtil<CjCollege>(CjCollege.class);
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List<CjCollege> collegeList = util.importExcel(file.getInputStream());
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String message;
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int insertCount = 0, updateCount = 0, failCount = 0;
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StringBuilder failMsg = new StringBuilder();
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String operName = getUsername();
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for (int i = 0; i < collegeList.size(); i++)
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{
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CjCollege col = collegeList.get(i);
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int rowNo = i + 1;
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try
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{
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if (col.getCollegeName() == null || col.getCollegeName().trim().isEmpty())
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{
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failCount++;
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failMsg.append("第" + rowNo + "条: 学院名称不能为空; ");
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continue;
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}
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col.setCollegeName(col.getCollegeName().trim());
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List<CjCollege> exists = cjCollegeMapper.selectByCollegeName(col.getCollegeName());
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if (exists.isEmpty())
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{
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col.setCreateBy(operName);
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cjCollegeService.insertCjCollege(col);
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insertCount++;
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}
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else if (exists.size() > 1)
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{
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failCount++;
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failMsg.append("第" + rowNo + "条: 学院名称“" + col.getCollegeName() + "”在系统中重复，无法确定更新对象; ");
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}
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else if (updateSupport)
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{
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CjCollege old = exists.get(0);
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col.setCollegeId(old.getCollegeId());
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col.setUpdateBy(operName);
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cjCollegeService.updateCjCollege(col);
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updateCount++;
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}
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else
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{
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failCount++;
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failMsg.append("第" + rowNo + "条: 学院“" + col.getCollegeName() + "”已存在; ");
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}
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}
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catch (Exception e)
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{
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failCount++;
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failMsg.append("第" + rowNo + "条: 导入失败(" + e.getMessage() + "); ");
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}
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}
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if (updateSupport)
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message = String.format("导入完成！新增 %d 条，更新 %d 条", insertCount, updateCount);
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else
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message = String.format("导入完成！新增 %d 条，由于数据重复导致导入失败 %d 条", insertCount, failCount);
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Map<String, Object> data = new HashMap<>();
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data.put("message", message);
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data.put("insertCount", insertCount);
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data.put("updateCount", updateCount);
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data.put("failCount", failCount);
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data.put("failMsg", failMsg.toString());
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return AjaxResult.success(data);
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}
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/**
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* 下载学院导入模板
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*/
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@PreAuthorize("@ss.hasPermi('system:college:import')")
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@PostMapping("/importTemplate")
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public void importTemplate(HttpServletResponse response) throws Exception
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{
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ExcelUtil<CjCollege> util = new ExcelUtil<CjCollege>(CjCollege.class);
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util.importTemplateExcel(response, "学院导入模板");
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}
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}
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