1、 路径的, list的用 /的

2、

if(this.commenttext==''){                  this.placeholder="请输入内容";                  return;              }                if(!this.$store.state.logined){                   this.$router.push({path: '/login'});                }

3、

Article ar=articleService.getArticleByid(comment.getAid());        ar.setLastComment(comment.getPosted());        ar.setCommentCount(ar.getCommentCount()+1);        articleService.editArticle(ar);

 4、百度el-upload java