From 791b8c88d67767c9847c7c052faca3e65ec36016 Mon Sep 17 00:00:00 2001
From: zhaowenxuan <chacca165@163.com>
Date: 星期五, 07 二月 2025 13:59:27 +0800
Subject: [PATCH] 配置动态切库类以及拦截器切库

---
 ltkj-framework/src/main/java/com/ltkj/framework/interceptor/DBChangeInterceptor.java |   38 ++++++++++++++++++++++++++++++++++++--
 1 files changed, 36 insertions(+), 2 deletions(-)

diff --git a/ltkj-framework/src/main/java/com/ltkj/framework/interceptor/DBChangeInterceptor.java b/ltkj-framework/src/main/java/com/ltkj/framework/interceptor/DBChangeInterceptor.java
index 0a04013..006b157 100644
--- a/ltkj-framework/src/main/java/com/ltkj/framework/interceptor/DBChangeInterceptor.java
+++ b/ltkj-framework/src/main/java/com/ltkj/framework/interceptor/DBChangeInterceptor.java
@@ -1,30 +1,64 @@
 package com.ltkj.framework.interceptor;
 
+import cn.hutool.core.util.StrUtil;
 import com.alibaba.fastjson.JSON;
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.google.gson.Gson;
+import com.ltkj.db.DataSourceConfig;
 import com.ltkj.db.DataSourceContextHolder;
+import com.ltkj.hosp.domain.DictHosp;
+import com.ltkj.hosp.service.IDictHospService;
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.core.annotation.Order;
+import org.springframework.stereotype.Component;
 import org.springframework.web.servlet.HandlerInterceptor;
 
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
+import java.io.IOException;
 
 /**
  * @Company: 瑗垮畨璺嘲绉戞妧鏈夐檺鍏徃
  * @Author: zhaowenxuan
  * @Date: 2025/2/7 11:07
  */
+@Component
 @Order(2)
 public class DBChangeInterceptor implements HandlerInterceptor {
-    @Override
-    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) {
 
+    @Autowired
+    private IDictHospService dictHospService;
+    @Autowired
+    private DataSourceConfig dataSourceConfig;
+
+    @Override
+    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws IOException {
+        String hospId = request.getHeader("hospId");
+        if (StrUtil.isBlank(hospId)){
+            response.setStatus(HttpServletResponse.SC_UNAUTHORIZED);
+            response.setContentType("application/json;charset=UTF-8");
+            response.getWriter().write("{\"message\":\"401锛氭壘涓嶅埌闄㈠尯缂栧彿\"}");
+            return false;
+        }
+        DataSourceContextHolder.setDataSourceKey("default");
+        LambdaQueryWrapper<DictHosp> wrapper = new LambdaQueryWrapper<>();
+        wrapper.eq(DictHosp::getCode,hospId);
+        DictHosp hosp = dictHospService.getOne(wrapper);
+        if (hosp == null || hosp.getDatabase() == null || hosp.getDatabase().trim().isEmpty()) {
+            response.setStatus(HttpServletResponse.SC_UNAUTHORIZED);
+            response.setContentType("application/json;charset=UTF-8");
+            response.getWriter().write("{\"message\":\"401锛氭壘涓嶅埌闄㈠尯鏁版嵁\"}");
+            return false;
+        }
+        dataSourceConfig.addDataSource(hosp.getDatabase());
+        DataSourceContextHolder.setDataSourceKey(hosp.getDatabase());
         return true;
     }
 
     @Override
     public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {
         DataSourceContextHolder.setDataSourceKey("default");
+        DataSourceContextHolder.clear();
         HandlerInterceptor.super.afterCompletion(request, response, handler, ex);
     }
 }

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