package com.hx.mybatisTool;

import com.hx.util.StringUtils;

import java.util.List;
import java.util.Map;

/**
 * 入参的list拼接数据
 *
 * @author fwq
 */
public class SqlStringTool {

    /**
     * @param sql         sql语句
     * @param tableColumn 含别名表字段
     * @param dataList    要循环的数值
     * @param sqlMap      sql语句对应的参数Map
     */
    public static void handleList(StringBuilder sql, String tableColumn, List<String> dataList, Map<String, Object> sqlMap) {
        if (sql == null || StringUtils.isEmpty(tableColumn) || dataList == null || dataList.size() < 1) {
            return;
        }
        sql.append(" AND ").append(tableColumn).append(" IN ( ");
        for (int i = 0; i < dataList.size(); i++) {
            sql.append("#{m.").append("key").append(i).append("}").append(",");
            sqlMap.put("key" + i, dataList.get(i));
        }
        sql.deleteCharAt(sql.length() - 1).append(" ) ");
    }

    /**
     * @param sql         sql语句
     * @param tableColumn 含别名表字段
     * @param dataList    要循环的数值
     * @param sqlMap      sql语句对应的参数Map
     */
    public static void handleList(StringBuffer sql, String tableColumn, List<String> dataList, Map<String, Object> sqlMap) {
        if (sql == null || StringUtils.isEmpty(tableColumn) || dataList == null || dataList.size() < 1) {
            return;
        }
        sql.append(" AND ").append(tableColumn).append(" IN ( ");
        for (int i = 0; i < dataList.size(); i++) {
            sql.append("#{m.").append("key").append(i).append("}").append(",");
            sqlMap.put("key" + i, dataList.get(i));
        }
        sql.deleteCharAt(sql.length() - 1).append(" ) ");
    }

}