Operations Class

针对过滤器条件字符串的条件过滤操作；预设了基础操作；另外可以通过st.extendOperation(operation,checkFn)进行扩展和重写

Methods

Properties

Events

Methods

extendOperation

extendOperation
(
  • operation
  • checkFn
)

Defined in src\dataManager\filterBuilder.js:514

扩展判断操作符,如：'='比较操作符,name = @name

Parameters:

nametypeflagdescription
operation String

操作名称

checkFn Function

判断方法

Example:

    //添加大于操作符'>'
    st.extendOperation('>',function(data, param) {
        //data为数据，param为条件参数
                return data > param;
            });

Properties

!

Operation

Defined in src\dataManager\filterBuilder.js:424

非判断，在判断操作符之前加入!,则将判断结果取非

Example:

    //查询name不等于'roy'的数据
    var filter = "name != 'roy'"

<

Operation

Defined in src\dataManager\filterBuilder.js:439

小于判断

<=

Operation

Defined in src\dataManager\filterBuilder.js:446

小于等于判断

=

Operation

Defined in src\dataManager\filterBuilder.js:432

等于判断

>

Operation

Defined in src\dataManager\filterBuilder.js:453

大于判断

>=

Operation

Defined in src\dataManager\filterBuilder.js:460

大于等于判断

endOf

Operation

Defined in src\dataManager\filterBuilder.js:484

以参数为结尾

Example:

    //匹配以'es'结尾的name
    var filter = "name endOf 'es'";

in

Operation

Defined in src\dataManager\filterBuilder.js:467

参数中包含数据

like

Operation

Defined in src\dataManager\filterBuilder.js:474

数据中包含参数

startOf

Operation

Defined in src\dataManager\filterBuilder.js:479

以参数为开头

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