CAML语法-Query写法
1.Geq(>=)
  The Geq element is an arithmetic operator that means "greater than or equal to." It can be used within a Where element in a view definition.

 
   
     
       
     
     
       
       
         
       
     
   
  
  
  
 

2.Eq(=)
  The Eq element is an arithmetic operator that means "equal to" and is used within the Query element.

 
   
 
 
   
     
       
        Completed
     
     
       
     
   
 

3.Gt(>)
The Gt element is an arithmetic operator that means "greater than." This element is used similarly to Eq and Lt.

 
   
     
       
     
     
       
       
         
       
     
   
 
 
   
 

4.Lt(<)
The Lt element is an arithmetic operator that means "less than" and is used in queries in views. This element is used similarly to Eq and Gt.

 
   
     
       
     
     
       
       
         
       
     
   
 
 
   
 

5.Neq(!=)
The Neq element is an arithmetic operator that means "not equal to" and is used in queries.

 
   
 
 
   
     
       
        Completed
     
     
       
     
    
  


协作应用程序标记语言 (CAML)---Query语法示例
1、Or,Lt,Gt,OrderBy






15





20.00








2、Eq








3、And,Eq,Lt,Neq,And嵌套


















Completed
























Completed






7.5 下表是CAML查询的一些简单说明：

元素 说明
And 并且
BeginsWith 以某字符串开始的
Contains 包含某字符串
Eq 等于
FieldRef 一个字段的引用 (在GroupBy 中使用)
Geq 大于等于
GroupBy 分组
Gt 大于
IsNotNull 非空
IsNull 空
Leq 小于等于
Lt 小于
Neq 不等于
Now 当前时间
Or 或
OrderBy 排序
Today 今天的日期
TodayIso 今天的日期（ISO格式）
Where Where子句