(1)为处理dns字符串域的导入ComplexkeywordCfg增加一列dnsStrategyId

(2)加入表达式类型，匹配方式，是否十六进制是否大小写敏感的非空验证

src/main/java/com/nis/domain/configuration/ComplexkeywordCfg.java

@@ -88,6 +88,17 @@ public class ComplexkeywordCfg extends BaseCfg<ComplexkeywordCfg>{
 	public String getDistrict() {
 		return district;
 	}
+	/**
+	 * copy属性使用
+	 */
+	protected Integer dnsStrategyId;
+	
+	public Integer getDnsStrategyId() {
+		return dnsStrategyId;
+	}
+	public void setDnsStrategyId(Integer dnsStrategyId) {
+		this.dnsStrategyId = dnsStrategyId;
+	}
 	/**
 	 * @param district the district to set
 	 */