2018.8.18公共类丢失{ privatestring base64; 私有字符串标题; 私有字符串内容; private Date ddl; publicmission(stringtitle,String base64,String content,dateDDL(this.title=title ); this.base64=base64; this.content=content; this.ddl=ddl; } string get base64 ((return this.base64; } String getTitle () { return this.title; } String getContent () { return this.content; } Date getDdl () { return this.ddl; }