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src/main/java/io/renren/modules/app/controller/QRCodeTest.java

package io.renren.modules.app.controller;
import java.util.Date;
import io.renren.common.utils.R;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
	@GetMapping("qcodetesturl")
    @ApiOperation("获取二维码图片地址")
    public void  getCodeImgUrl(String text)throws IOException {
		String img = (new Date().getTime()).toString();
    public R  getCodeImgUrl(String text)throws IOException {
		String imgpath = "/home/qcodetest/";
		String imgurl = "";
		try{
			qRCodeUtils.encode(text, img);
			return R.ok().put("img", img);
			imgurl = qRCodeUtils.encode(text, imgpath);
		}catch(Exception e){
			e.printStackTrace();
		}
		return R.ok().put("imgurl", imgurl);
    }
}