java中的字符串替换，类似于速度模板 [英] String replacement in java, similar to a velocity template

问题描述

Java中是否有任何 String 替换机制，我可以在其中传递带有文本的对象，并在发生时替换字符串。

例如，文本为：

Is there any String replacement mechanism in Java, where I can pass objects with a text, and it replaces the string as it occurs.
For example, the text is :

Hello ${user.name},
    Welcome to ${site.name}. 

我拥有的对象是user和site。我想用来自对象的等效值替换 $ {} 中给出的字符串。这与我们在速度模板中替换对象相同。

The objects I have are "user" and "site". I want to replace the strings given inside ${} with its equivalent values from the objects. This is same as we replace objects in a velocity template.

推荐答案

看一下 java.text.MessageFormat 类，MessageFormat获取一组对象，对它们进行格式化，然后将格式化的字符串插入到适当位置的模式中。

Take a look at the java.text.MessageFormat class, MessageFormat takes a set of objects, formats them, then inserts the formatted strings into the pattern at the appropriate places.

Object[] params = new Object[]{"hello", "!"};
String msg = MessageFormat.format("{0} world {1}", params);

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