コード例 #1
0
  private OperateSet generateInsertOperateSet(Object obj) {
    Class<? extends Object> clazz = obj.getClass();
    // 获取tablecache中的对应的info
    String typeName = clazz.getName();
    TableInfo tbinfo = null;
    String autoKeyName = "";

    if (typeName != null) {
      tbinfo = oManager.getTableCache().getByTN(typeName);
    }

    if (tbinfo == null) {
      // 提示错误
      System.out.println(
          "[generateInsertOperateSet error]-Model<" + typeName + "> has not registered!");
      return null;
    }

    String strSql = "insert into " + tbinfo.getTableName();
    String strField = "";
    String strValue = "";
    Vector<Object> param = new Vector<Object>();
    Vector<FieldInfo> fins = tbinfo.getAllFieldInfos();
    for (FieldInfo fin : fins) {
      // 跳过自动增长的字段
      if (fin.isAutoGenerate()) {
        autoKeyName = fin.getColumnName();
        continue;
      }
      strField += fin.getColumnName() + ",";
      strValue += "?,";
      // 获取值
      Field fie = null;
      try {
        fie = clazz.getDeclaredField(fin.getFieldName());
        fie.setAccessible(true);
      } catch (NoSuchFieldException e) {
        // TODO 自动生成的 catch 块
        this.oManager.deBugInfo(e.getMessage());
        return null;
      } catch (SecurityException e) {
        // TODO 自动生成的 catch 块
        this.oManager.deBugInfo(e.getMessage());
        return null;
      }
      if (fie != null) {
        try {
          param.add(fie.get(obj));
        } catch (IllegalArgumentException e) {
          // TODO 自动生成的 catch 块
          this.oManager.deBugInfo(e.getMessage());
          return null;
        } catch (IllegalAccessException e) {
          // TODO 自动生成的 catch 块
          this.oManager.deBugInfo(e.getMessage());
          return null;
        }
      }
    }

    // 只有自增字段错误退出
    if (strField.equals("")) {
      System.out.println(
          "[generateInsertOperateSet error]-Model<" + typeName + "> only have autogenerate field!");
      return null;
    }
    // 去除尾部的,号
    strField = strField.substring(0, strField.length() - 1);
    strValue = strValue.substring(0, strValue.length() - 1);
    strSql += " (" + strField + ") values(" + strValue + ")";
    OperateSet os = new OperateSet(strSql, param, tbinfo);
    os.setAutoKeyName(autoKeyName);
    return os;
  }
コード例 #2
0
  // 生成查询Sql,以主键为查询条件,如果有指定读入的键那只读该键
  private OperateSet generateReadOperateSet(Object obj, String... fieldnames) {
    Class<? extends Object> clazz = obj.getClass();
    // 获取tablecache中的对应的info
    String typeName = clazz.getName();
    TableInfo tbinfo = null;
    String autoKeyName = "";

    if (typeName != null) {
      tbinfo = oManager.getTableCache().getByTN(typeName);
    }

    if (tbinfo == null) {
      // 提示错误
      System.out.println(
          "[generateReadOperateSet error]-Model<" + typeName + "> has not registered!");
      return null;
    }
    String strSql = "select ";
    String strField = "";
    String strWhere = "";
    Vector<Object> param = new Vector<Object>();
    if (fieldnames.length != 0) {

      if (fieldnames.length == 1) {
        if (fieldnames[0].equals("")) {
          return null;
        }
      }

      for (String s : fieldnames) {
        strField += s + ",";
      }
      strField = strField.substring(0, strField.length() - 1);
      strSql += strField + " from " + tbinfo.getTableName();
      Vector<FieldInfo> fins = tbinfo.getAllFieldInfos();
      for (FieldInfo fin : fins) {
        // 以主键为查询条件,如果不是主键的继续,暂时不支持联合主键
        if (!fin.isPrimaryKey()) {
          continue;
        }
        autoKeyName = fin.getColumnName();
        strWhere += fin.getColumnName() + "=?";
        Field field = null;
        try {
          field = obj.getClass().getDeclaredField(fin.getFieldName());
        } catch (NoSuchFieldException e) {
          // TODO 自动生成的 catch 块
          this.oManager.deBugInfo(e.getMessage());
          return null;
        } catch (SecurityException e) {
          // TODO 自动生成的 catch 块
          this.oManager.deBugInfo(e.getMessage());
          return null;
        }
        field.setAccessible(true);

        try {
          param.add(field.get(obj));
        } catch (IllegalArgumentException e) {
          // TODO 自动生成的 catch 块
          this.oManager.deBugInfo(e.getMessage());
          return null;
        } catch (IllegalAccessException e) {
          // TODO 自动生成的 catch 块
          this.oManager.deBugInfo(e.getMessage());
          return null;
        }
      }

      if (strWhere.equals("")) {
        // 提示错误
        System.out.println(
            "[generateReadOperateSet error]-Model<"
                + typeName
                + "> has not set PrimaryKey to achieve this query!");
        return null;
      }

      strSql += " where " + strWhere + " limit 1";
      OperateSet oSet = new OperateSet(strSql, param, tbinfo);
      oSet.setAutoKeyName(autoKeyName);
      return oSet;
    } else {
      strSql += "* from " + tbinfo.getTableName();
      Vector<FieldInfo> fins = tbinfo.getAllFieldInfos();
      for (FieldInfo fin : fins) {
        // 以主键为查询条件,如果不是主键的继续,暂时不支持联合主键
        if (!fin.isPrimaryKey()) {
          continue;
        }
        autoKeyName = fin.getColumnName();
        strWhere += fin.getColumnName() + "=?";
        Field field = null;
        try {
          field = obj.getClass().getDeclaredField(fin.getFieldName());
        } catch (NoSuchFieldException e) {
          // TODO 自动生成的 catch 块
          this.oManager.deBugInfo(e.getMessage());
          return null;
        } catch (SecurityException e) {
          // TODO 自动生成的 catch 块
          this.oManager.deBugInfo(e.getMessage());
          return null;
        }
        field.setAccessible(true);

        try {
          param.add(field.get(obj));
        } catch (IllegalArgumentException e) {
          // TODO 自动生成的 catch 块
          this.oManager.deBugInfo(e.getMessage());
          return null;
        } catch (IllegalAccessException e) {
          // TODO 自动生成的 catch 块
          this.oManager.deBugInfo(e.getMessage());
          return null;
        }
      }

      if (strWhere.equals("")) {
        // 提示错误
        System.out.println(
            "[generateReadOperateSet error]-Model<"
                + typeName
                + "> has not set PrimaryKey to achieve this query!");
        return null;
      }

      strSql += " where " + strWhere + " limit 1";
      OperateSet oSet = new OperateSet(strSql, param, tbinfo);
      oSet.setAutoKeyName(autoKeyName);
      return oSet;
    }
  }