/**
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* Copyright 2018-2020 stylefeng & fengshuonan (https://gitee.com/stylefeng)
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* <p>
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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* <p>
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* http://www.apache.org/licenses/LICENSE-2.0
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* <p>
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package cn.stylefeng.guns.modular.demos.controller;
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import cn.stylefeng.roses.core.base.controller.BaseController;
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import cn.stylefeng.roses.core.util.ToolUtil;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.core.io.ClassPathResource;
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import org.springframework.stereotype.Controller;
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import org.springframework.web.bind.annotation.GetMapping;
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import org.springframework.web.bind.annotation.RequestMapping;
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import org.springframework.web.bind.annotation.RequestParam;
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import org.springframework.web.bind.annotation.ResponseBody;
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/**
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* pdf预览
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*
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* @author fengshuonan
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* @Date 2017年2月17日20:27:22
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*/
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@Controller
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@Slf4j
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public class PdfPreviewController extends BaseController {
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private String PREFIX = "/demos/pdf/";
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/**
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* pdf预览
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*/
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@RequestMapping("/pdf")
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public String pdf() {
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return PREFIX + "pdf.html";
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}
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/**
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* 预览
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*/
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@GetMapping(value = "/loadPdfFile", produces = "application/pdf")
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@ResponseBody
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public ClassPathResource loadPdfFile(@RequestParam(value = "file", required = false) String file) {
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if (ToolUtil.isEmpty(file)) {
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file = "demo.pdf";
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}
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try {
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return new ClassPathResource("assets/expand/pdf/demo/" + file);
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} catch (Exception e) {
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e.printStackTrace();
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return null;
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}
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}
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}
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