打印 sql 中if 节点处理 打印日志方便调试

wuxw

2019-10-17 2bf68ba42eac2781eaa9e03d2b84d06682e7cfaf

 java110-service/src/main/java/com/java110/service/smo/impl/QueryServiceSMOImpl.java

@@ -4,19 +4,24 @@
import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;
import com.alibaba.fastjson.JSONPath;
import com.java110.common.cache.ServiceSqlCache;
import com.java110.common.constant.CommonConstant;
import com.java110.common.constant.ResponseConstant;
import com.java110.common.exception.BusinessException;
import com.java110.utils.cache.ServiceSqlCache;
import com.java110.utils.constant.CommonConstant;
import com.java110.utils.constant.ResponseConstant;
import com.java110.utils.exception.BusinessException;
import com.java110.core.factory.DataTransactionFactory;
import com.java110.common.log.LoggerEngine;
import com.java110.common.util.Assert;
import com.java110.common.util.StringUtil;
import com.java110.entity.service.DataQuery;
import com.java110.utils.log.LoggerEngine;
import com.java110.utils.util.Assert;
import com.java110.utils.util.StringUtil;
import com.java110.service.context.DataQuery;
import com.java110.entity.service.ServiceSql;
import com.java110.service.dao.IQueryServiceDAO;
import com.java110.service.smo.IQueryServiceSMO;
import org.apache.commons.lang3.StringUtils;
import org.apache.ibatis.ognl.Ognl;
import org.apache.ibatis.ognl.OgnlException;
import org.dom4j.DocumentException;
import org.dom4j.DocumentHelper;
import org.dom4j.Element;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
@@ -177,20 +182,12 @@

            Interpreter interpreter = new Interpreter();
            interpreter.eval(javaCode);
           /* String param = "";
            for (String key : params.keySet()) {
                param += (params.getString(key) + ",");
            }

            if (param.endsWith(",")) {
                param = param.substring(0, param.length() - 1);
            }*/

            interpreter.set("dataQuery", dataQuery);
            dataQuery.setResponseInfo(DataTransactionFactory.createBusinessResponseJson(ResponseConstant.RESULT_CODE_SUCCESS,
                    "成功", JSONObject.parseObject(interpreter.eval("execute(" + dataQuery + ")").toString())));
                    "成功", JSONObject.parseObject(interpreter.eval("execute(dataQuery)").toString())));
        } catch (Exception e) {
            logger.error("数据交互异常：", e);
            throw new BusinessException(ResponseConstant.RESULT_CODE_INNER_ERROR, "数据交互异常,"+e.getMessage());
            throw new BusinessException(ResponseConstant.RESULT_CODE_INNER_ERROR, "数据交互异常," + e.getMessage());
        }
    }

@@ -252,7 +249,10 @@

            String currentSql = sqlObj.getString(dataQuery.getTemplateKey());
            //处理 if 判断
            currentSql = dealSqlIf(currentSql);
            logger.debug("dealSqlIf开始处理sql中的<if>节点", currentSql);
            currentSql = dealSqlIf(currentSql, params);
            logger.debug("dealSqlIf处理完成sql中的<if>节点", currentSql);


            String[] sqls = currentSql.split("#");
            String currentSqlNew = "";
@@ -325,22 +325,54 @@

    /**
     * 处理SQL语句
     * @param oldSql
     *              select * from s_a a
     *              where if(name != null && name != ''){
             *                  a.name = #name#
             *             }
     *
     * @param oldSql select * from s_a a
     *               where <if test="name != null && name != ''">
     *               a.name = #name#
     *               </if>
     * @return
     */
    private String dealSqlIf(String oldSql){
        String newSql = "";
    public String dealSqlIf(String oldSql, JSONObject requestParams) throws DocumentException, OgnlException {
        StringBuffer newSql = new StringBuffer();
        String tmpSql = "";
        Boolean conditionResult = false;
        // 未包含 条件语句
        if(!oldSql.replace(" ","").contains("if(")){
        if (!oldSql.contains("<if")) {
            return oldSql;
        }

        String[] oSqls = oldSql.split("</if>");
        for (String oSql : oSqls) {
            if (!oSql.startsWith("<if")) {
                newSql.append(oSql.substring(0, oSql.indexOf("<if")));
            }

        return newSql;
            tmpSql = oSql.substring(oSql.indexOf("<if")) + "</if>";

            Element root = DocumentHelper.parseText(tmpSql).getRootElement();

            String condition = root.attribute("test").getValue();

            Object condObj = Ognl.parseExpression(condition);

            Object value = Ognl.getValue(condObj, requestParams);

            if (value instanceof Boolean) {
                conditionResult = (Boolean) value;
            } else {
                throw new BusinessException(ResponseConstant.RESULT_CODE_INNER_ERROR, "配置错误，if语句配置错误 " + condition);
            }

            if (conditionResult) {
                newSql.append(root.getText());
            }



        }


        return newSql.toString();

    }