org.beetl.core

接口 Function

所有已知实现类:

AccessExpressionIfFunction, AccessUrlIfFunction, AllGlobaAsJsonlFunction, AssertFunction, AuthenticationFunction, BaseSimulate.ReuqestBodyFunction, CheckExistFunction, CookieFunction, DateFunction, DebugFunction, DecodeFunction, DynamicGlobalValueFunction, EmptyExpressionFunction, EmptyFunction, EnvFunction, FileFunctionWrapper, Flush, FunctionWrapper, GetValueFunction, HasAttributeFunction, HasWebSession, IsNotEmptyExpressionFunction, Json, MutipleFunctionWrapper, NutJsonFunction, NVLFunction, PageContextFunction, ParentTagFunction, ParseDouble, ParseInt, ParseLong, Print, Printf, PrintFile, Println, QuestionMark, Range, ResourceFunction, SingleFunctionWrapper, SpELFunction, TruncFunction, TruncFunction2, TypeNameFunction, TypeNewFunction

public interface Function

Beetl 的函数接口，用户可以通过实现此接口来自定一方法

 例如实现一个将字符创转为大写的函数 str.upcase
 str.upcase 接收一个字符串参数，并将其转为大写，如下调用

       hello,this is ${str.upcase(user.name)}

 group.registerFunction("str.upcase", new Function() {
     public String call(Object[] paras, Context ctx) {
         String str = (String) paras[0];
         return str.toUpperCase();
     }
 });

 

从以下版本开始:

1.1

作者:

xiandafu

方法概要

限定符和类型	方法和说明
Object	call(Object[] paras, Context ctx)

方法详细资料

call

Object call(Object[] paras,
            Context ctx)

参数:

paras - beetl传递的参数