<?xml version="1.0" encoding="UTF-8"?>
<a:service xmlns:s="leaf.plugin.script" xmlns:a="http://www.leaf-framework.org/application" trace="true">
    <a:init-procedure>
        <s:server-script><![CDATA[
            //importPackage(java.util.zip);
            importPackage(java.io);
            importPackage(org.apache.tools.zip); /*可以传入参数*/
            
            function writeFile(zos, fn, fp) {
                var ze = new ZipEntry(fn);
                zos.putNextEntry(ze);
                transfer(fp, zos);
            }
            
            function transfer(file, os) {
                var fis = new FileInputStream(file);
                var b = new java.lang.reflect.Array.newInstance(java.lang.Byte.TYPE, 1024 * 64);
                var len = -1;
                while ((len = fis.read(b)) != -1) {
                    os.write(b, 0, len);
                }
                fis.close();
            }
            
            
            function getdate() {
                var now = new Date()
                y = now.getFullYear()
                m = now.getMonth() + 1
                d = now.getDate()
                m = m < 10 ? "0" + m : m
                d = d < 10 ? "0" + d : d
                return y + "" + m + "" + d
            }
            $ctx["__request_type__"] = 'file'; //to indicate this request is not a JSON_REQUEST
            var resp = $ctx['_instance.javax.servlet.http.HttpServletResponse'];
            resp.setHeader("Pragma", "No-cache");
            resp.setHeader("Cache-Control", "no-cache, must-revalidate");
            var date_str = getdate();
            var doc_code = '批单文件'
            //println(decodeURI($ctx.parameter.doc_code));
            var path = $ctx.parameter.path;
            var filename = doc_code + '-' + date_str + ".zip"
            //
            resp.setDateHeader("Expires", 0);
            resp.setContentType("application/x-msdownload");
            
            try {
                var attachment_batch_dl = $bm('ins.INS505.ins_insurance_content');
                var result = attachment_batch_dl.queryAsMap({
                    content_id: $ctx.parameter.content_id
                });
                var arr = result.getChildren();
                if (arr.length >= 1) {
                    //单个下载
                    resp.setHeader("Content-disposition", "attachment; filename=" + encodeURI(arr[0].file_name, 'utf-8'));
                    var os = resp.getOutputStream();
                    transfer(arr[0].file_path + arr[0].file_name, os);
                    os.flush();
                }
            } catch (e) {
                var logger = $logger("server-script");
                logger.severe(e.message);
            }
        ]]></s:server-script>
    </a:init-procedure>
</a:service>