jQuery获取Select选择的Text和Value: 1. var checkText=jQuery("#select_id").find("option:selected").text(); //获取Select选择的Text 2. var checkValue=jQuery("#select_id").val(); //获取Select选择的option Value 3. var checkIndex=jQuery("#
多对多数据库的建立 class Host(models.Model): nid = models.AutoField(primary_key=True) #自增id hostname = models.CharField(max_length=32, db_index=True) ip = models.GenericIPAddressField(db_index=True) port = models.IntegerField(max_length=32) b = models.Foreign