**format {0} 字符串拼接** ***** ~~~ var template1="我是{0}，今年{1}了"; template1=template1.format("loogn",22); console.log(template1) var t2=` mutation createPost($post: PostInputType) { post { {0} create(post: $post) { code message postId {1} } } } `; t2=t2.format("loogn",22); console.log(t2) ~~~