原文地址:http://www.itcodai.com/blog/26           https://blog.csdn.net/eson_15/article/details/81953720

gtihub地址:https://github.com/vdurmont/emoji-java

maven依赖

<dependency>
  <groupId>com.vdurmont</groupId>
  <artifactId>emoji-java</artifactId>
  <version>4.0.0</version>
</dependency>

使用

String str = "你????好????啊";
        System.out.println("原始字符为:\n" + str);

    
        //将表情转换成对应别名字符(to aliases)
        System.out.println("to aliases 之后:");
        System.out.println(EmojiParser.parseToAliases(str));
        System.out.println(EmojiParser.parseToAliases(str, EmojiParser.FitzpatrickAction.PARSE));
        System.out.println(EmojiParser.parseToAliases(str, EmojiParser.FitzpatrickAction.REMOVE));
        System.out.println(EmojiParser.parseToAliases(str, EmojiParser.FitzpatrickAction.IGNORE));


        //将表情转换成html(to html)        
        System.out.println("to html:");
        System.out.println(EmojiParser.parseToHtmlDecimal(str));
        System.out.println(EmojiParser.parseToHtmlDecimal(str, EmojiParser.FitzpatrickAction.PARSE));
        System.out.println(EmojiParser.parseToHtmlDecimal(str, EmojiParser.FitzpatrickAction.REMOVE));
        System.out.println(EmojiParser.parseToHtmlDecimal(str, EmojiParser.FitzpatrickAction.IGNORE));
	
        System.out.println("to html:");
        String s = EmojiParser.parseToHtmlDecimal(str);
        System.out.println(s);

        System.out.println("还原:");
        System.out.println(EmojiParser.parseToUnicode(s));
        
        Letter l = new Letter();
        l.setDetails(EmojiParser.parseToAliases(str));
        
        letterMapper.insertLetter(l);

输出结果: 

使用轻量级工具emoji-java处理emoji表情字符

存入数据库的内容为:

你:grin:好:joy:啊

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