Springside动态组合条件搜索

 SearchFilter 源码：

 

<strong><span style="color:#dcdcdc;">package org.springside.modules.persistence;

import java.util.Map;
import java.util.Map.Entry;

</span>import org.apache.commons.lang3.StringUtils;

import com.google.common.collect.Maps;

public class SearchFilter {

    public enum Operator {
        EQ, LIKE, GT, LT, GTE, LTE
    }

    public String fieldName;
    public Object value;
    public Operator operator;

    public SearchFilter(String fieldName, Operator operator, Object value) {
        this.fieldName = fieldName;
        this.value = value;
        this.operator = operator;
    }

    /**
     * searchParams中key的格式为OPERATOR_FIELDNAME
     */
    public static Map<String, SearchFilter> parse(Map<String, Object> searchParams) {
        Map<String, SearchFilter> filters = Maps.newHashMap();

        for (Entry<String, Object> entry : searchParams.entrySet()) {
            // 过滤掉空值
            String key = entry.getKey();
            Object value = entry.getValue();
            if (StringUtils.isBlank((String) value)) {
                continue;
            }

            // 拆分operator与filedAttribute
            String[] names = StringUtils.split(key, "_");
            if (names.length != 2) {
                throw new IllegalArgumentException(key + " is not a valid search filter name");
            }
            String filedName = names[1];
            Operator operator = Operator.valueOf(names[0]);

            // 创建searchFilter
            SearchFilter filter = new SearchFilter(filedName, operator, value);
            filters.put(key, filter);
        }

        return filters;
    }
}</strong><span style="color:#dcdcdc;">
</span>

来源：http://code.taobao.org/p/guanglai/src/trunk/springside4/modules/core/src/main/java/org/springside/modules/persistence/SearchFilter.java

可以看到仅支持六种操作：EQ, LIKE, GT, LT, GTE, LTE

修改程序name命名即可！注意后台Controller保持一致！