1 /*start---------------------------------------[导出Excel接口Controller--shiyanjun]-------------------------------------------------------------*/
2
3 /**
4 * 功能描述：【导出Excel接口】
5 * 创建者：shiyanjun
6 * 创建时间：2014年11月25日10:00:18 周二
7 * @param columns 表头
8 * @param querySql 查询SQL
9 * @param filePath 文件目录
10 * @param request
11 * @param response
12 */
13 @RequestMapping(value = "exportExcelApi", method = RequestMethod.GET)
14 @ResponseBody
15 public void exportExcelApi( @RequestParam (value = "columns",defaultValue = "")String columns,
16 @RequestParam(value = "querySql",defaultValue = "") String querySql,
17 @RequestParam(value = "filePath",defaultValue = "") String filePath,
18 HttpServletRequest request,HttpServletResponse response) {
19
20 //文件名称
21 String fileName = "档案信息";
22 //表头
23 columns = "ID,EHR_ID,EHR_CODE,INNER_CODE,PERSON_NAME,GENDER";
24 //查询SQL
25 querySql = "SELECT * FROM EHR_BASE";
26 // querySql = "SELECT ID,EHR_ID,EHR_CODE,INNER_CODE,PERSON_NAME,GENDER FROM EHR_BASE EB WHERE EB.GENDER = ‘1‘";
27 // querySql = "SELECT ID,EHR_ID,EHR_CODE,INNER_CODE,PERSON_NAME,GENDER FROM EHR_BASE EB WHERE EB.BIRTH_DATE > TO_DATE(‘2007-11-17‘,‘YYYY-MM-DD‘) AND EB.BIRTH_DATE <= SYSDATE AND EB.CANCELLED = ‘1‘ AND EB.DEATH = ‘1‘ AND EB.MOVED_OUT = ‘1‘ AND EB.MNG_ORG_CODE LIKE ‘0203%‘ AND EB.SIGN_TEAM_CODE = ‘a843979a-50d0-4f35-84ca-c5e886291995‘";
28
29 //文件导出目录[D:\apache-tomcat-6\webapps\phis\exportExcelApi\20141121\EMH\]
30 String basePath = ApplicationContextUtils.getBasePath();
31 filePath = basePath + "exportExcelApi\\";
32 String dateName = "20140221\\";
33 String tabName = "MS\\";
34 filePath = filePath + dateName + tabName;
35
36 try {
37 exportApiService.importExcelApi(querySql, columns, fileName, filePath);
38 } catch (Exception e) {
39 e.printStackTrace();
40 }
41
42 }
43
44 /*end---------------------------------------[导出Excel接口--shiyanjun]-------------------------------------------------------------*/
1 /*start---------------------------------------[导出Excel接口Service--shiyanjun]-------------------------------------------------------------*/
2 /**
3 * 功能描述： [导出Excel接口]
4 * 创建者：shiyanjun
5 * 创建时间：2014年11月25日11:14:18 周二
6 * @param querySql 查询sql
7 * @param columnsStr 导出的列
8 * @param fileName 文件名称
9 * @param filePath 文件存放路径
10 */
11 public void importExcelApi(String querySql,String columnsStr,String fileName,String filePath){
12
13 StringBuilder selectSql = new StringBuilder();
14 StringBuilder countSql = new StringBuilder();//统计数据总数的sql
15
16 selectSql.append("SELECT COUNT(1) FROM(\n");
17 countSql.append(selectSql).append(querySql).append(")");
18
19 // System.out.println(countSql);
20
21 int dataCount = jdbcTemplate.queryForInt(countSql.toString());//数据总数
22 String dir = "DESC"; //默认升序
23 String sort = "ID"; //默认排序字段
24 FileOutputStream outStream = null;
25 //要导出的表头
26 List<ExportColumnDto> columns=new ArrayList<ExportColumnDto>();
27 if(columnsStr != null){
28 String[] arr = columnsStr.split(",");
29 if(arr != null){
30 for (String str : arr) {
31 if(str != null){
32 columns.add(new ExportColumnDto(str, str));
33 }
34 }
35 }
36 }
37
38 //根据filePath创建目录
39 File file = new File(filePath);
40 if(!file.exists() && !file.isDirectory()){
41 file.mkdirs();
42 }
43
44 int exportNumber = 888;//每个文件导出数
45 int qryNumber = 450;//每页查询数
46 int qryCount = getQryCount(dataCount,qryNumber);//计算出查询次数
47 int end = 1;//用于判断是否取到最后
48 int fileNum = 0;//文件名称编号
49 List<Map<String,Object>> tempList = new ArrayList<Map<String, Object>>();//定义一个临时集合
50
51 // long startTime = System.currentTimeMillis();
52
53 for (int i = 0; i < qryCount; i++) {//按查询次数循环
54 List<Map<String,Object>> pageList = new ArrayList<Map<String, Object>>();
55 if(i != (qryCount - 1)){//如果不是最后一次查询
56 pageList = queryForPage(querySql, i*qryNumber, (i+1)*qryNumber, dir, sort);//查询出一页数据
57 }else{
58 pageList = queryForPage(querySql, i*qryNumber, dataCount, dir, sort);
59 }
60 for (int j = 0; j < pageList.size(); j++) {//遍历此页数据
61 tempList.add(pageList.get(j));
62 if(tempList.size() == exportNumber || (end ==qryCount && j == pageList.size() - 1 )){
63 try {
64 outStream = new FileOutputStream(filePath + (fileNum+1) + ".xls");//创建文件
65 } catch (FileNotFoundException e) {
66 e.printStackTrace();
67 }
68 try {
69 ExportApiService.printExcelApi(columns, tempList, fileName, outStream);//导出Excel
70 // System.out.println("导出文件"+(fileNum+1)+".xls,包含"+tempList.size()+"条数据");
71 } catch (Exception e) {
72 logger.error("导出Excel异常", e);
73 } finally {
74 try {
75 if (outStream != null) {
76 outStream.flush();
77 outStream.close();
78 }
79 } catch (Exception e1) {
80 }
81 }
82 tempList.clear();//清空临时集合
83 fileNum++;//文件名序号递增
84 }
85 }
86 end++;
87 }
88 //计算耗时
89 // long endTime = System.currentTimeMillis();
90 // long chaTime = endTime - startTime;
91 // long time = chaTime/1000;
92 // System.out.println("共耗时"+time+"秒");
93
94 }
95
96 //计算查询次数
97 public int getQryCount(int count, int rows) {
98 int num = 1;
99 if(count >= rows){
100 if(count % rows == 0){
101 num = count/rows;
102 }else{
103 num = count/rows + 1;
104 }
105 }
106 return num;
107 }
108
109 /**
110 * 【自定义查询导出到Excel】
111 * @param columns List<ExportColumnDto> 列设置集合
112 * @param rowData 数据集合
113 * @param filename 自定义查询名称
114 * @param filePath 导出文件临时存放路径
115 * @return
116 */
117 public static void printExcelApi(List<ExportColumnDto> columns,List<Map<String,Object>> rowData,String fileName,FileOutputStream outStream)throws Exception{
118 if(rowData == null || rowData.size() < 1) throw new RuntimeException("数据集合为空");
119 else if(columns == null || columns.size() < 1) throw new RuntimeException("导出列集合集合为空");
120 else{
121 WritableWorkbook writableWorkbook=Workbook.createWorkbook(outStream); // 创建工作薄
122 WritableSheet writableSheet = writableWorkbook.createSheet(fileName, 0); // 创建工作表
123 //设置标题格式
124 WritableFont headerFont = new WritableFont(WritableFont.ARIAL, 15,WritableFont.BOLD, false, UnderlineStyle.NO_UNDERLINE,jxl.format.Colour.BLACK);
125 WritableCellFormat headerFormat = new WritableCellFormat(headerFont);
126 // headerFormat.setBorder(Border.ALL, BorderLineStyle.THIN);
127 // headerFormat.setAlignment(Alignment.CENTRE);//水平对齐
128 headerFormat.setVerticalAlignment(VerticalAlignment.CENTRE); // 垂直对齐
129 //设置表头格式
130 WritableFont titleFont = new WritableFont(WritableFont.ARIAL, 10,WritableFont.BOLD, false, UnderlineStyle.NO_UNDERLINE,jxl.format.Colour.BLACK);
131 WritableCellFormat titleFormat = new WritableCellFormat(titleFont);
132 // titleFormat.setBorder(Border.ALL, BorderLineStyle.THIN);
133 // titleFormat.setAlignment(Alignment.CENTRE);
134 WritableFont dateFont = new WritableFont(WritableFont.ARIAL, 10,WritableFont.NO_BOLD, false, UnderlineStyle.NO_UNDERLINE,jxl.format.Colour.BLACK);
135 //设置显示数据格式
136 WritableCellFormat dataFormat = new WritableCellFormat(dateFont);
137 // dataFormat.setAlignment(Alignment.CENTRE);
138 dataFormat.setVerticalAlignment(VerticalAlignment.CENTRE);
139 writableSheet.mergeCells(0, 0, columns.size()-1, 0); // 合并第一行的单元格(合并了titleList.size 个单元格)
140 //添加标题
141 writableSheet.addCell(new Label(0,0,fileName,headerFormat));//第一个0 表示 列 ,第二个0 表示行, headerFormat 格式化EXCEL
142 //添加title
143 String descript="";
144 for(int i=0;i<columns.size();i++){
145 descript=columns.get(i).getDescription();
146 writableSheet.addCell(new Label(i,1,descript,titleFormat));
147 }
148 //填充数据
149 Object value=null;
150 String showValue="";
151 String name="";
152 Method method=null;
153
154 //初始化字段转换函数
155 Map<String,Method> methodCache=new HashMap<String,Method>();
156 Class convert=FieldConvert.class;
157 for(int j=0;j<columns.size();j++){
158 String convertName=columns.get(j).getConvertName();
159 try{
160 method=convert.getMethod("convert"+convertName, String.class);
161 if(null != method) methodCache.put(convertName, method);
162 }catch(NoSuchMethodException ne){}
163 }
164
165 for(int k=0;k<rowData.size();k++){
166 for(int j=0;j<columns.size();j++){
167 name=columns.get(j).getName();
168 value=rowData.get(k).get(name);
169 showValue=value == null ? "":String.valueOf(value);
170 if("".equals(showValue.trim()) || "-1".equals(showValue.trim()) ){
171 showValue="不详";
172 }else{
173 String convertName=columns.get(j).getConvertName();
174 if(methodCache.containsKey(convertName)){
175 showValue=methodCache.get(convertName).invoke(convert, value).toString();
176 }
177 }
178 writableSheet.addCell(new Label(j,k+2,showValue,dataFormat));
179 }
180 }
181
182 writableWorkbook.write();
183 writableWorkbook.close();
184 }
185
186 }
187 /**
188 * 功能描述： [分页查询数据]
189 * 创建者：shiyanjun
190 * 创建时间：2014年11月21日 13:01:24
191 * @param querySql 查询SQL
192 * @param startRowIndex 起始页
193 * @param pageSize 每页数据条数
194 * @param dir 排序方式
195 * @param sort 排序字段
196 * @return
197 */
198 private List<Map<String,Object>> queryForPage(String querySql, int startRowIndex, int pageSize, String dir, String sort) {
199 if (pageSize < 1) {
200 pageSize = 15;
201 logger.warn("pageSize<1，将自动调整为15。");
202 }
203 if(StringUtils.equals(sort, "personName")){//姓名排序转换为按拼音排序
204 sort = "nameIndex";
205 }
206 String orderSql = "ORDER BY " + sort + " " + dir;
207 String rownumSql = "";
208 if (Config.isOracle() || Config.isKingbase()) {
209 rownumSql = "ROWNUM AS NUM";
210 } else if (Config.isDb2()) {
211 rownumSql = "ROWNUMBER() OVER(" + orderSql + ") AS NUM";
212 }
213 StringBuilder pageSql = new StringBuilder(" SELECT * FROM ( \n");
214 pageSql.append(" SELECT TEMP.*, ").append(rownumSql).append(" FROM ( \n");
215 pageSql.append(querySql);
216 pageSql.append(")\n");
217 pageSql.append("TEMP\n");
218 pageSql.append(" ) WHERE NUM <= ").append(pageSize).append(" AND NUM > ").append(startRowIndex).append(" \n");
219 if (Config.isOracle() || Config.isKingbase()) {
220 pageSql.append(orderSql);
221 }
222 //根据pageSql查询分页数据
223 List<Map<String,Object>> pageList = jdbcTemplate.queryForList(pageSql.toString());
224
225 // System.out.println("查询出条"+pageList.size()+"数据[第"+startRowIndex+"条到第"+pageSize+"条]："+pageList);
226 // System.out.println("本次查询sql："+pageSql.toString());
227
228
229 return pageList;
230 }
231
232 /*end---------------------------------------[导出Excel接口--shiyanjun]-----------------------------------------------------------*/
时间： 2024-08-29 16:33:06