Java Spring动态生成Mysql存储过程详解

@Entity
@Table(name="qt_interface")
public class QtInterface {
 @Id
 private String id;
 private String name;
 private String content;
 private String info;
 private String status;
//此处省略get、set…
}

@Entity
@Table(name="qt_interface_parameter")
public class QtInterfaceParameter {
 @Id
 private String id;
 @Column(name="inter_id")
 private String interId;
 private String name; //参数名称
 private String explain_info; //参数描述
 private String type;// 输入输出类型
 private String paraType; // 参数类型
 private Integer paraLen;
//此处省略get、set…
}

<div class="form-group">
  <label for="name" class="col-sm-2 control-label">接口名称<a style="color:red;">*</a>:</label>
  <div class="col-sm-4">
    <input type="text" id="name" name="name" class="form-control"/>
  </div>
  <label for="status" class="col-sm-2 control-label">接口状态<a style="color:red;">*</a>:</label>
  <div class="col-sm-4" >
    <select id="status" disabled="disabled" class="form-control">
      <option value="0">保存</option>
      <option value="1">已创建</option>
    </select>
 
  </div>
</div>
<div class="form-group">
  <label for="content" class="col-sm-2 control-label">接口内容<a style="color:red;">*</a>:</label>
  <div class="col-sm-10">
    <textarea id="content" name="content" rows="5" class="form-control"></textarea>
  </div>
</div>
<div class="form-group">
  <label for="explain_info" class="col-sm-2 control-label">接口说明:</label>
  <div class="col-sm-10">
    <textarea id="explain_info" name="explain_info" rows="3" class="form-control"></textarea>
  </div>
</div>
<div class="form-group">
  <label for="qtInterList" class="col-sm-2 control-label">接口参数:</label>
  <div class="col-sm-10">
    <div class="ibox-content" style="width:100%;">
      <table id="qtInterList" class="easyui-datagrid">
      </table>
    </div>
  </div>
</div>

function createProduce(inter_id) {
 var postData = {
    id: $("#inter_id").val(),
    item_id: $("#item_id").val(),
    name: $("#name").val(),
    content: $("#content").val(),
    explain_info: $("#explain_info").val(),
    jsonData: JSON.stringify(jsonData)// 参数明细信息,字段就是接口配置参数bean 中的字段信息
};
 
  $.ajax({
    url: Url + 'test/createPro',
    type: 'get', //GET
    async: false,  //或false,是否异步
    data: JSON.stringify(postData),
    timeout: 5000,  //超时时间
    dataType: 'json',  //返回的数据格式：    success:   function (result, textStatus, jqXHR) {
      if (result.result == "1") { // 编辑赋值
        layer.alert("创建成功", {icon: 0});
      } else {
        layer.alert("创建失败，请检查sql语句，注意结尾不能有分号！具体错误信息："+result.msg, {icon: 5});
      }
    },
    error: function (xhr, textStatus) {
      layer.alert(textStatus);
    }
  });
}

public interface TestService {
    ResultInfo createPro(Map<String,Object> map);
}

@Service
public class TestServiceImpl implements TestService {
 
/**
 * 创建存储过程
 *
 * @param map 接口配置和接口参数信息
 * 参数详解： type 输入输出参数，取值为 in,out
 *       paraType 参数类型。取值为：1：int 2:double 3:varchar 4:datetime
 * @return
 */
@Override
@Transactional
public void createPro(Map<String,Object> map) {
  ResultInfo resultInfo = new ResultInfo();
  QtInterface qtInterface=new QtInterface();
  qtInterface =buildInterface(map, qtInterface);// 加载接口配置信息
  List<QtInterfaceParameter> paraList = new ArrayList<QtInterfaceParameter>();
  paraList = buildParam(map.get("jsonData"));// 加载接口配置信息
  StringBuffer bf = new StringBuffer(); // 建立生成过程的语句
  bf.append("create procedure \t");
  bf.append(qtInterface.getName());
  bf.append("\n");
  bf.append("(");
  String para_type = "";
  int i = 1;
  for (QtInterfaceParameter qt : paraList) {
    switch (qt.getParaType()) { // 参数类型
      case "1":
        para_type = "int";
        break;
      case "2":
        para_type = "double";
        break;
      case "3":
        para_type = "varchar(" + qt.getParaLen() + ")";
        break;
      case "4":
        para_type = "datetime";
        break;
      default:
        para_type = "varchar(255)";
        break;
    }
    if (i == paraList.size()) {
      bf.append("" + qt.getType() + " " + qt.getName() + " " + para_type + ") ");
    } else {
      bf.append("" + qt.getType() + " " + qt.getName() + " " + para_type + ", ");
    }
 
    i++;
  }
  bf.append(" COMMENT '"+ qtMonitorWarnInterface.getInfo() +"'\n"); // 添加描述信息
  bf.append("BEGIN\n");
  bf.append(qtInterface.getContent()); // 存储过程内容
  bf.append(";\nEND;");
  // 先执行删除操作
  jdbcTemplate.execute("drop procedure if exists " + qtInterface.getName() + " ;");
  jdbcTemplate.execute(bf.toString());
 
}
 
/**
 * 初始化接口配置信息
 *
 */
private QtInterface buildInterface(Map<String, Object> map, QtInterface qtInterface) {
  // 接口配置名称
  if (map.get("name") != null && !"".equals(map.get("name "))) {
    qtInterface.setName((String) map.get("name "));
  }
  //此处省略其他项，其他项的取值方法跟上面的一样 …
  return qtInterface;
}
 
/**
 * 初始化接口配置参数明细
 *
 */
  private List<QtInterfaceParameter> buildParam(String postData) {
    List<QtInterfaceParameter> list = new ArrayList<QtInterfaceParameter>();
    if(postData!=null &&!"".equals(postData)){
      List<Map<String, Object>> listParam = (List<Map<String, Object>>) JsonMapper.fromJsonString(postData, ArrayList.class);
      for (Map<String, Object> map : listParam) {
        QtInterfaceParameter para = new QtInterfaceParameter();
        // 接口配置参数名称
        if (map.get("name") != null && !"".equals(map.get("name "))) {
          para.setName((String) map.get("name "));
        }
        // 此处省略其他项，其他项的取值方法跟上面的一样 …
        list.add(para);
      }
    }
    return list;
  }

@Controller
@RequestMapping(value = "/test")
public class TestController {
@Autowired
private TestService testService;
 
@RequestMapping(value = "/createPro", method = RequestMethod.GET)
public ResultInfo createPro(@RequestBody Map<String, Object> map
) {
  ResultInfo resultInfo = new ResultInfo();
  try {
    testService.createPro(Id);
  resultInfo.setResult(1);
    resultInfo.setMsg("创建过程成功");
 
  } catch (Exception e) {
    resultInfo.setResult(-1);
    resultInfo.setMsg(e.getMessage());
  }
  return resultInfo;
 }
}

CREATE PROCEDURE `testbase`.`test`(in a_user_id varchar(100))
  COMMENT '测试接口'
BEGIN
select * from userInfo where user_id=a_user_id;
END