@Componentpublic classBannerHandler {

@AutowiredprivateBannerService bannerService;public MonogetList(ServerRequest request) {//獲取請求參數(shù)

String page = request.queryParam("page").orElse("1");

String size= request.queryParam("rows").orElse("5");

DataGridVO result =bannerService.getList(Integer.valueOf(page), Integer.valueOf(size));returnServerResponse.ok().body(BodyInserters.fromObject(result));

}public Monoupdate(ServerRequest request) {//參數(shù)序列化為實(shí)體類進(jìn)行更新

return request.bodyToMono(Banner.class).flatMap(banner ->{returnServerResponse.ok().contentType(MediaType.APPLICATION_JSON_UTF8)

.body(BodyInserters.fromObject(bannerService.update(banner)));

});

}public Monodeletes(ServerRequest request) {//獲取路徑中的參數(shù)作用等同于 @PathVariable

String ids = request.pathVariable("ids");

Assert.hasText(ids,"ids不能為空");return ServerResponse.ok().body(BodyInserters.fromObject(bannerService.deletes(ids.split(","))));

}public Monoinit(ServerRequest request) {

Map map = new HashMap<>();

map.put("name", "aqiu");

map.put("time", newDate());

List list = new ArrayList();

list.add("param1");

list.add("param2");

list.add("param3");

map.put("list", list);//返回thymeleaf模版頁面

return ServerResponse.ok().render("index", map);

}public Monoupload(ServerRequest request) {//獲取文件參數(shù) 并進(jìn)行存儲

return request.multipartData().flatMap(map ->{

map.forEach((k, v)->{

v.forEach(i->{

FilePart f=(FilePart) i;

f.transferTo(new File("/tmp/" +f.filename()));

});

});returnServerResponse.ok().contentType(MediaType.APPLICATION_JSON_UTF8)

.body(BodyInserters.fromObject(map.size()));

});

}public Monodownload(ServerRequest request) {//讀取文件并包裝為DataBuffer返回，spring-webflux會自動寫入response

File file = new File("/tmp/test.jpeg");return ServerResponse.ok().header(HttpHeaders.CONTENT_DISPOSITION, "attachment; filename=test.jpeg")

.contentType(MediaType.IMAGE_JPEG).contentLength(file.length())

.body(BodyInserters.fromDataBuffers(Mono.create(r->{

DataBuffer buf= newDefaultDataBufferFactory().wrap(FileIOUtil.syncRead(file));

r.success(buf);return;

})));

}

}

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