Cannot resolve symbol 'log'

IntelliJ IDEA 写实体类时使用toString报错,报异常:

原因:缺少commons-lang3-3.8.1.jar包。

下载路径:http://commons.apache.org/proper/commons-lang/download_lang.cgi

导入包:https://jingyan.baidu.com/article/c843ea0bd797df77931e4afc.html

@Override
    public String toString() {
        return new org.apache.commons.lang3.builder.ToStringBuilder(this)
                .append("username", username)
                .append("password", password)
                .append("email", email)
                .append("address", address)
                .toString();
    }
//lang3变红色,报异常:Cannot resolve symbol 'log'  

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转载自www.cnblogs.com/phpli/p/10160763.html