更新后端，采用Springboot+mybatis

src/main/java/com/jsh/erp/service/supplier/SupplierService.java

@@ -0,0 +1,102 @@
+package com.jsh.erp.service.supplier;
+
+import com.alibaba.fastjson.JSONObject;
+import com.jsh.erp.datasource.entities.Supplier;
+import com.jsh.erp.datasource.entities.SupplierExample;
+import com.jsh.erp.datasource.mappers.SupplierMapper;
+import com.jsh.erp.utils.StringUtil;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.stereotype.Service;
+
+import javax.annotation.Resource;
+import javax.servlet.http.HttpServletRequest;
+import java.util.List;
+
+@Service
+public class SupplierService {
+    private Logger logger = LoggerFactory.getLogger(SupplierService.class);
+
+    @Resource
+    private SupplierMapper supplierMapper;
+
+    public Supplier getSupplier(long id) {
+        return supplierMapper.selectByPrimaryKey(id);
+    }
+
+    public List<Supplier> getSupplier() {
+        SupplierExample example = new SupplierExample();
+        return supplierMapper.selectByExample(example);
+    }
+
+    public List<Supplier> select(String supplier, String type, String phonenum, String telephone, String description, int offset, int rows) {
+        return supplierMapper.selectByConditionSupplier(supplier, type, phonenum, telephone, description, offset, rows);
+    }
+
+    public int countSupplier(String supplier, String type, String phonenum, String telephone, String description) {
+        return supplierMapper.countsBySupplier(supplier, type, phonenum, telephone, description);
+    }
+
+    public int insertSupplier(String beanJson, HttpServletRequest request) {
+        Supplier supplier = JSONObject.parseObject(beanJson, Supplier.class);
+        return supplierMapper.insertSelective(supplier);
+    }
+
+    public int updateSupplier(String beanJson, Long id) {
+        Supplier supplier = JSONObject.parseObject(beanJson, Supplier.class);
+        supplier.setId(id);
+        return supplierMapper.updateByPrimaryKeySelective(supplier);
+    }
+
+    public int deleteSupplier(Long id) {
+        return supplierMapper.deleteByPrimaryKey(id);
+    }
+
+    public int batchDeleteSupplier(String ids) {
+        List<Long> idList = StringUtil.strToLongList(ids);
+        SupplierExample example = new SupplierExample();
+        example.createCriteria().andIdIn(idList);
+        return supplierMapper.deleteByExample(example);
+    }
+
+    public int checkIsNameExist(Long id, String name) {
+        SupplierExample example = new SupplierExample();
+        example.createCriteria().andIdNotEqualTo(id).andSupplierEqualTo(name);
+        List<Supplier> list = supplierMapper.selectByExample(example);
+        return list.size();
+    }
+
+    public int updateAdvanceIn(Long supplierId, Double advanceIn){
+        Supplier supplier = supplierMapper.selectByPrimaryKey(supplierId);
+        supplier.setAdvancein(supplier.getAdvancein() + advanceIn);  //增加预收款的金额，可能增加的是负值
+        return supplierMapper.updateByPrimaryKeySelective(supplier);
+    }
+
+    public List<Supplier> findBySelectCus() {
+        SupplierExample example = new SupplierExample();
+        example.createCriteria().andTypeLike("客户").andEnabledEqualTo(true);
+        example.setOrderByClause("id desc");
+        return supplierMapper.selectByExample(example);
+    }
+
+    public List<Supplier> findBySelectSup() {
+        SupplierExample example = new SupplierExample();
+        example.createCriteria().andTypeLike("供应商").andEnabledEqualTo(true);
+        example.setOrderByClause("id desc");
+        return supplierMapper.selectByExample(example);
+    }
+
+    public List<Supplier> findBySelectRetail() {
+        SupplierExample example = new SupplierExample();
+        example.createCriteria().andTypeLike("会员").andEnabledEqualTo(true);
+        example.setOrderByClause("id desc");
+        return supplierMapper.selectByExample(example);
+    }
+
+    public List<Supplier> findById(Long supplierId) {
+        SupplierExample example = new SupplierExample();
+        example.createCriteria().andIdEqualTo(supplierId);
+        example.setOrderByClause("id desc");
+        return supplierMapper.selectByExample(example);
+    }
+}