动态拼接sql语句工具类

说明：只返回了where后面的语句，没有select，用于单表查询
/**
 * sql查询操作符枚举类
 * */
public enum SqlOpEnum {

    EQUAL("equal"),NOT_EQUAL("notEqual"),
    GE("ge"),GTE("gte"),LE("le"),LTE("lte"),
    IN("in"),NOT_IN("notIn"),
    LIKE("like"),NOT_LIKE("notLike"), LEFT_LIKE("leftLike"),RIGHT_LIKE("rightLike");

    private String name;

    SqlOpEnum(String name){
        this.name = name;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public static SqlOpEnum getByOp(String op){
        SqlOpEnum[] values = SqlOpEnum.values();
        for (SqlOpEnum value:values) {
            if( value.getName().equals(op) ){
                return value;
            }
        }
        return null;
    }
}

===================================
import java.io.Serializable;
/**
* sql参数类
*/
public class SqlParam implements Serializable {

    private String key;

    private Object value;

    private SqlOpEnum op;

    public SqlParam(String key,Object value,SqlOpEnum op){
        this.key = key;
        this.value = value;
        this.op = op;
    }

    public String getKey() {
        return key;
    }

    public void setKey(String key) {
        this.key = key;
    }

    public Object getValue() {
        return value;
    }

    public void setValue(Object value) {
        this.value = value;
    }

    public SqlOpEnum getOp() {
        return op;
    }

    public void setOp(SqlOpEnum op) {
        this.op = op;
    }
}

=================================================
/**
 * @author wangdonghua
 * 动态拼接sql condition工具类
 * */
public class SqlBuilderUtil {

    public static Pair buildCondition(List sqlParamList ){
        if(CollectionUtils.isEmpty(sqlParamList)){
            return new Pair("",null);
        }
        boolean first = true;
        StringBuilder builder = new StringBuilder();
        String key = null;
        Object value = null;
        String op = null;
        List