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本文实例为大家分享了java中excel表数据的批量导入，供大家参考，具体内容如下首先看下工具类：import java.awt.color; import java.io.bytearrayinputstream; import java.io.bytearrayoutputstream; import java.io.file; import java.io.fileinputstream; import java.io.inputstream; import java.lang.reflect.field; import java.text.dateformat; import java.text.decimalformat; import java.text.simpledateformat; import java.util.*; import javax.swing.text.attributeset; import javax.swing.text.element; import javax.swing.text.html.css; import javax.swing.text.html.htmldocument; import javax.swing.text.html.htmleditorkit; import cn.vrview.dev.common.exception.businessexception; import org.apache.commons.lang3.stringutils; import org.apache.logging.log4j.logmanager; import org.apache.logging.log4j.logger; import org.apache.poi.hssf.usermodel.*; import org.apache.poi.hssf.util.hssfcolor; import org.apache.poi.ss.usermodel.*; import org.apache.poi.ss.util.cellrangeaddress; import org.apache.poi.xssf.usermodel.xssfcolor; import org.apache.poi.xssf.usermodel.xssffont; import org.apache.poi.xssf.usermodel.xssfworkbook; import org.springframework.web.util.htmlutils; import cn.vrview.dev.common.util.stringutil; public class exceltools { /** log */ private static logger log = logmanager.getlogger(); /** * 导出excel * <p> * 使用方法：<br> * <code> list<map<string, object>> datalist = new arraylist<map<string,object>>();<br> * is = exceltools.exportxls(datalist,new string[] {"createtime:日期","name:名称", "sex:性别", "remark:备注"}); * </code> * * @param collect * 待导出的数据集合 * @param header * 要导出的列 * @return inputstream 返回文件流 */ public static inputstream exportxls(collection<map<string, object>> collect, string[] header) { bytearrayoutputstream out = new bytearrayoutputstream(); hssfworkbook book = new hssfworkbook(); try { // 添加一个sheet hssfsheet sheet = book.createsheet("sheet1"); // 定义要导出的列名集合 set<string> columns = new hashset<string>(); // 设置单元格背景色 hssfcellstyle cellstyle = book.createcellstyle(); cellstyle.setfillpattern(hssfcellstyle.solid_foreground); cellstyle.setfillforegroundcolor(new hssfcolor.yellow().getindex()); // 生成表头 hssfrow row = sheet.createrow(0); hssfcell cell = row.createcell(0); cell.setcellstyle(cellstyle); cell.setcellvalue("序号"); // 列号从1开始 int n = 1; // 解析头字符串 for (string str : header) { string[] arr = str.split(":"); columns.add(n + "," + arr[0]);// 添加要导出的字段名并且与列号n绑定 cell = row.createcell(n); cell.setcellstyle(cellstyle); cell.setcellvalue(arr[1]); n++; } // 生成数据行从1开开始，0为表头 int i = 1; // 生成数据行列 for (map<string, object> map : collect) { hssfrow datarow = sheet.createrow(i); // 生成序号 datarow.createcell(0).setcellvalue(i); // 生成其他列 for (string column : columns) { // 用逗号分割获得字段名，[0]为列号用于和表头标题对应上 string columnname = column.split(",")[1]; // 生成序号列 cell = datarow.createcell(integer.parseint(column.split(",")[0])); string value = ""; value = map.get(columnname) + ""; // 当value为null 时转换为"" if ("null".equals(value)) { value = ""; } richtextstring richtextstring = processhtml(book, value); cell.getcellstyle().setwraptext(false); cell.setcellvalue(richtextstring); } i++; } book.write(out); out.close(); } catch (exception e) { e.printstacktrace(); } return new bytearrayinputstream(out.tobytearray()); } /** * 获得excel文件数据<br> * 用法：<br> * sheetinfo sheetinfo = new exceltools().new sheetinfo();<br> * sheetinfo.setrowtitle(0); list<string> sheets = new arraylist<string>();<br> * string sheetname = "sheet1"; sheets.add(sheetname);<br> * sheetinfo.setsheetnames(sheets); <br> * sheetinfo.setcolumnsmapping(new string[] { "prodname:商品名称", * "prodspec:规格", "collectprice:价格:" + {@link regexpenum} * regexpenum.notempty_isnumber, "priceunit:单位", "collectmarket:报价市场", * "prodlevel:等级" }); <br> * map<string, list> data = exceltools.getexcel(new file(path), sheetinfo); * * @param * * @param sheetinfo * 初始化信息 * @return map {sheet1:list} * @throws exception * exception */ @suppresswarnings("rawtypes") public static map getexcel(file f, sheetinfo sheetinfo, string exceltype) throws exception { return getexcel(new fileinputstream(f), sheetinfo, exceltype); } @suppresswarnings({ "rawtypes", "unchecked" }) public static map getexcel(inputstream in, sheetinfo sheetinfo, string exceltype) throws exception { map<string, string> columnsmap = new hashmap<string, string>(); // 列验证表达式map list<string> errmsg = new arraylist<string>(); int errnum = 0;// 错误总数 int errlimit = 10;// 限制错误提示数 /** 用于存储excel根据指定规则读取的所有内容 */ map excelinfo = new hashmap(); workbook book = null; try { if (exceltype.equals("xls")) { book = new hssfworkbook(in); //throw new businessexception("excel版本太低，请使用2007以上版本（扩展名为：xlsx）"); } else { book = new xssfworkbook(in); } } catch (outofmemoryerror e) { throw new runtimeexception("当前excel文件过大，请检查各个sheet表格中是否有无效空数据，包括带有格式和线框的行列数据，请删除这些无效数据！正常excle文件大小【1m】以内"); } // checktitle(book, sheetinfo); // 获得工作表数量 int sheetnum = sheetinfo.getsheetnames().size(); // 循环所有的工作表，读取里面的数据 for (int sheetindex = 0; sheetindex < sheetnum; sheetindex++) { // 获得当前工作表对象 string sheetname = htmlutils.htmlunescape(sheetinfo.getsheetnames().get(sheetindex)); map<string, string> validatemap = new hashmap<string, string>(); for (string mapstr : sheetinfo.getcolumnsmapping().get(sheetname)) { string[] arr = mapstr.split(":"); columnsmap.put(arr[1], arr[0]); if (arr.length == 3) {// 若果验证表达式不为空，则添加到map中 validatemap.put(arr[1], arr[2]); } } sheet sheet = book.getsheet(sheetname); if (null == sheet) { throw new runtimeexception(string.format("获取表失败，请确认sheet《%s》是否存在于excel中", sheetname)); } // 用于存储所工作表中的数据内容 list sheetlist = new arraylist(); // 获取当前表格的行数 int rows = sheet.getlastrownum(); // 获取当前表格的列数 int columns = sheet.getrow(sheetinfo.getrowtitle()).getlastcellnum(); if (rows <= sheetinfo.getrowtitle()) {// 如果当前表格没有需要的数据就继续下一次循环 continue; } // 获得当前工作表标题内容 list<string> titlelist = new arraylist<string>(); // 循环每一行中的每一个单元格，读取单元格内的值 row titlerow = sheet.getrow(sheetinfo.getrowtitle()); for (int jj = 0; jj < columns; jj++) { cell celltitle = titlerow.getcell(jj); if (celltitle != null) { int row = celltitle.getrowindex(); int column = celltitle.getcolumnindex(); if (ismergedregion(sheet, row, column)) { titlelist.add(getmergedregionvalue(sheet, row, column)); } else { titlelist.add(getcellvalue(celltitle)); } } else { throw new runtimeexception("表头读取错误,当前设置为第" + (sheetinfo.getrowtitle() + 1) + "行<br/>表头内容为：" + titlerow + "，请检查是否正确，如有异常，可删除表头格式，重新粘贴表头！"); } } // system.out.println(titlelist); // 验证表头 string[] titles = sheetinfo.getcolumnsmapping().get(sheetname); for (string s : titles) { string[] colarr = s.split(":"); // 如果excel表格中的表头缺少该字段 boolean include = false; for (string t : titlelist) { if (stringutils.deletewhitespace(t).equalsignorecase(colarr[1])) { include = true; break; } } if (!include) { throw new runtimeexception("【" + colarr[1] + "】'列不存在！当前excel表头：" + titlelist); } } // 开始循环每一行，读取每一行的值,从标题下面一行开始读取 for (int i = sheetinfo.getrowtitle() + 1; i <= rows; i++) { map rowmap = new hashmap(); row datarow = sheet.getrow(i); if (datarow == null) { throw new runtimeexception(string.format("excel第[%d]行为空，请检查!", i + 1)); } for (int j = 0; j < columns; j++) {// 循环每一行中的每一个单元格，读取单元格内的值 string columntitle = titlelist.get(j); if ("".equals(columntitle)) { continue; } else { cell cell = datarow.getcell(j); string value = ""; string columnmapping = ""; // 单元列对应的entity属性名 for (string title : columnsmap.keyset()) { if (stringutils.deletewhitespace(columntitle).equalsignorecase(title)) { columnmapping = columnsmap.get(title); break; } } if (null != cell) { cell.setcelltype(cell.cell_type_string); cellstyle cellstyle= cell.getcellstyle(); //单元格背景颜色 if (exceltype.equals("xls")) { hssfcolor color=(hssfcolor) cellstyle.getfillforegroundcolorcolor(); if (j==0 && color!=null) { rowmap.put("rowcolor", convertrgbtohex(color.gettriplet())); } } else { xssfcolor color=(xssfcolor) cellstyle.getfillforegroundcolorcolor(); if (j==0 && color!=null) { rowmap.put("rowcolor", color.getargbhex().substring(2)); } } value = filterstr(cell + ""); int mergrow = getmergedregionrow(sheet, cell); if (mergrow > 0 && !stringutil.isempty(value)) { string rowspan=""; if (rowmap.get("rowspan")!=null) { rowspan=rowmap.get("rowspan")+","; } rowmap.put("rowspan", rowspan+columnmapping+"-"+value+"-"+(mergrow + 1)); } if ( cell.getcellcomment()!=null) { //system.out.println(columnmapping+"@comment:"+cell.getcellcomment().getstring()); rowmap.put(columnmapping+"@comment", cell.getcellcomment().getstring()); } } // string columnmapping = columnsmap.get(columntitle); string validatereg = ""; string validateregmsg = ""; if (null != validatemap.get(columntitle)) { // 验证正则表达式 regexpenum eum = regexpenum.valueof(validatemap.get(columntitle)); validatereg = eum.getvalue(); validateregmsg = eum.gettext(); } if (!stringutil.isempty(validatereg)) { if (value.matches(validatereg)) { rowmap.put(columnmapping, value); } else { errnum++; if (errnum <= errlimit) { errmsg.add("第" + i + "行：【" + columntitle + "】数据为:'" + value.trim() + "' 不匹配！【" + validateregmsg + "】</br>\n"); } } } else { if (stringutil.isempty(columnmapping)) { continue; } else { //int row = cell.getrowindex(); ///int column = cell.getcolumnindex(); //if (ismergedregion(sheet, row, column)) { // rowmap.put(columnmapping, getmergedregionvalue(sheet, row, column)); //} else { rowmap.put(columnmapping, value); //} } } } } sheetlist.add(rowmap); } excelinfo.put(sheet.getsheetname(), sheetlist); } in.close(); if (errmsg.size() > 0) { if (errnum > errlimit) { errmsg.add("您导入的数据模板格式错误过多(共" + errnum + "个)，请仔细检查模板数据是否正确！"); } throw new runtimeexception(errmsg.tostring().replaceall("\\[|\\]", "")); } // if (true) throw new runtimeexception("测试"); return excelinfo; } public static list<hashmap<string, string>> getexcel(inputstream in, sheetinfo sheetinfo) throws exception { map<string, string> columnsmap = new hashmap<string, string>(); // 列验证表达式map map<string, string> validatemap = new hashmap<string, string>(); list<string> errmsg = new arraylist<string>(); int errnum = 0;// 错误总数 int errlimit = 10;// 限制错误提示数 for (string mapstr : sheetinfo.getcolumnsmapping().get("columns")) { string[] arr = mapstr.split(":"); columnsmap.put(arr[1], arr[0]); if (arr.length == 3) {// 若果验证表达式不为空，则添加到map中 validatemap.put(arr[1], arr[2]); } } /** 用于存储excel根据指定规则读取的所有内容 */ list excelinfo = new arraylist(); workbook book = workbookfactory.create(in); // checktitle(book, sheetinfo); // 获得工作表数量 int sheetnum = book.getnumberofsheets(); // 循环所有的工作表，读取里面的数据 for (int sheetindex = 0; sheetindex < sheetnum; sheetindex++) { // 获得当前工作表对象 sheet sheet = book.getsheetat(sheetindex); // 用于存储所工作表中的数据内容 // list sheetlist = new arraylist(); // 获取当前表格的行数 int rows = sheet.getlastrownum(); // 获取当前表格的列数 row titlerow = sheet.getrow(sheetinfo.getrowtitle()); if (titlerow == null){ throw new businessexception("文件格式不正确，请重新选择或者下载模板"); } int columns = titlerow.getlastcellnum(); if (columns != sheetinfo.getcolumnsmapping().get("columns").length){ throw new businessexception("文件格式不正确，请重新选择或者下载模板"); } if (rows <= sheetinfo.getrowtitle()) {// 如果当前表格没有需要的数据就继续下一次循环 throw new businessexception("文件格式不正确，请重新选择或者下载模板"); } // 获得当前工作表标题内容 list<string> titlelist = new arraylist<string>(); // 循环每一行中的每一个单元格，读取单元格内的值 for (int jj = 0; jj < columns; jj++) { titlelist.add(titlerow.getcell(jj).getstringcellvalue()); } // 验证表头 string[] titles = sheetinfo.getcolumnsmapping().get("columns"); for (string s : titles) { // 如果excel表格中的表头缺少该字段 if (!titlelist.contains(s.split(":")[1])) { // errmsg.add("该excel表格的'" + sheet.getsheetname() + "'表的'" + s // + "'列不存在！"); throw new businessexception("文件格式不正确，请重新选择或者下载模板"); } } // 开始循环每一行，读取每一行的值,从标题下面一行开始读取 for (int i = sheetinfo.getrowtitle() + 1; i <= rows; i++) { map rowmap = new hashmap(); row datarow = sheet.getrow(i); for (int j = 0; j < columns; j++) {// 循环每一行中的每一个单元格，读取单元格内的值 string columntitle = titlelist.get(j); if ("".equals(columntitle)) { continue; } else { cell cell = datarow.getcell(j); string value = getcellvalue(cell); // 单元列对应的entity属性名 string columnmapping = columnsmap.get(columntitle); string validatereg = ""; string validateregmsg = ""; if (null != validatemap.get(columntitle)) { // 验证正则表达式 regexpenum eum = regexpenum.valueof(validatemap .get(columntitle)); validatereg = eum.getvalue(); validateregmsg = eum.gettext(); } if (!stringutils.isempty(validatereg)) { if (value.matches(validatereg)) { rowmap.put(columnmapping, value); } else { errnum++; if (errnum <= errlimit) { errmsg.add("第" + i + "行：【" + columntitle + "】数据为:'" + value.trim() + "' 不匹配！【" + validateregmsg + "】</br>\n"); } } } else { rowmap.put(columnmapping, value); } } } excelinfo.add(rowmap); } // excelinfo.put(sheet.getsheetname(), sheetlist); } in.close(); if (errmsg.size() > 0) { // if (errnum > errlimit) { // errmsg.add("您导入的数据模板格式错误过多(共" + errnum + "个)，请仔细检查模板数据是否正确！"); // } throw new runtimeexception(errmsg.tostring().replaceall("\\[|\\]", "")); } return excelinfo; } /** * * 用于excel操作，表格初始化信息 * * @author: 季乐 * @date: 2013-12-2 下午1:43:04 * @since: 1.0 */ public class sheetinfo { /** 标题所在的行，起始行是0，不是1 */ private int rowtitle = 1; /** 需要读取数据字段中文名对应的entity属性名 */ private map<string, string[]> columnsmapping; /** 需要读取数据的sheet的名字 */ public list<string> sheetnames = new arraylist<string>(); public sheetinfo(list<string> sheetnames) { // 假如没有定义sheetnames，则给予其默认值”sheet1“ if (null == sheetnames || sheetnames.size() == 0) { this.sheetnames.add("sheet1"); } else { this.sheetnames = sheetnames; } } public sheetinfo() { // 假如没有定义sheetnames，则给予其默认值”sheet1“ if (null == sheetnames || sheetnames.size() == 0) { sheetnames.add("sheet1"); } } public int getrowtitle() { return rowtitle; } public void setrowtitle(int rowtitle) { this.rowtitle = rowtitle; } public map<string, string[]> getcolumnsmapping() { return columnsmapping; } public void setcolumnsmapping(map<string, string[]> columnsmapping) { this.columnsmapping = columnsmapping; } public list<string> getsheetnames() { return sheetnames; } public void setsheetnames(list<string> sheetnames) { this.sheetnames = sheetnames; } } /** * * 内部枚举类 * * @author: 季乐 * @date: 2013-12-2 下午1:43:24 * @since: 1.0 */ public enum regexpenum { /** 不为空 */ notempty("不能为空", "(?! +$).+"), /** 必须为数字 */ isnumber("必须为数字", "\\d*"), /** 不为空并且为数字 */ notempty_isnumber("不能为空且必须为数字", "\\d+"); /** text */ private string text; /** level */ private string value; public string gettext() { return text; } public string getvalue() { return value; } private regexpenum(string text, string value) { this.text = text; this.value = value; } } /** * 将html转为 richtextstring * * @param wb * hssfworkbook * @param html * html * @return richtextstring */ @suppresswarnings("unused") private static richtextstring processhtml(hssfworkbook wb, string html) { richtextstring rt = null; htmleditorkit kit = new htmleditorkit(); htmldocument doc = (htmldocument) kit.createdefaultdocument(); try { kit.inserthtml(doc, doc.getlength(), html, 0, 0, null); stringbuffer sb = new stringbuffer(); for (int lines = 0, lastpos = -1; lastpos < doc.getlength(); lines++) { // if (lines > 0) { // sb.append('\n'); // } element line = doc.getparagraphelement(lastpos + 1); lastpos = line.getendoffset(); for (int elidx = 0; elidx < line.getelementcount(); elidx++) { final element frag = line.getelement(elidx); string subtext = doc.gettext(frag.getstartoffset(), frag.getendoffset() - frag.getstartoffset()); if (!subtext.equals("\n")) { sb.append(subtext); } } } creationhelper ch = wb.getcreationhelper(); rt = ch.createrichtextstring(sb.tostring()); for (int lines = 0, lastpos = -1; lastpos < doc.getlength(); lines++) { element line = doc.getparagraphelement(lastpos + 1); lastpos = line.getendoffset(); for (int elidx = 0; elidx < line.getelementcount(); elidx++) { final element frag = line.getelement(elidx); font font = getfontfromfragment(wb, frag); rt.applyfont(frag.getstartoffset() + lines, frag.getendoffset() + lines, font); } } } catch (exception e) { log.warn(e.getmessage()); // e.printstacktrace(); } return rt; } /** * 获取字体 * * @param wb * workbook * @param frag * frag * @return font * @throws exception * exception */ private static font getfontfromfragment(workbook wb, element frag) throws exception { font font = wb.createfont(); final attributeset as = frag.getattributes(); final enumeration<?> ae = as.getattributenames(); while (ae.hasmoreelements()) { final object attrib = ae.nextelement(); if (css.attribute.color.equals(attrib)) { field f = as.getattribute(attrib).getclass().getdeclaredfield("c"); f.setaccessible(true); color c = (color) f.get(as.getattribute(attrib)); if (font instanceof xssffont) { ((xssffont) font).setcolor(new xssfcolor(c)); } else if (font instanceof hssffont && wb instanceof hssfworkbook) { hssfpalette pal = ((hssfworkbook) wb).getcustompalette(); hssfcolor col = pal.findsimilarcolor(c.getred(), c.getgreen(), c.getblue()); ((hssffont) font).setcolor(col.getindex()); } } else if (css.attribute.font_weight.equals(attrib)) { if ("bold".equals(as.getattribute(attrib).tostring())) { font.setboldweight(font.boldweight_bold); } } } return font; } public static int getmergedregionrow(sheet sheet, cell cell) { // 得到一个sheet中有多少个合并单元格 int sheetmergercount = sheet.getnummergedregions(); for (int i = 0; i < sheetmergercount; i++) { // 得出具体的合并单元格 cellrangeaddress ca = sheet.getmergedregion(i); // 得到合并单元格的起始行, 结束行, 起始列, 结束列 int firstc = ca.getfirstcolumn(); int lastc = ca.getlastcolumn(); int firstr = ca.getfirstrow(); int lastr = ca.getlastrow(); // 判断该单元格是否在合并单元格范围之内, 如果是, 则返回 true if (cell.getcolumnindex() <= lastc && cell.getcolumnindex() >= firstc) { if (cell.getrowindex() == firstr) { return lastr - firstr; } } } return 0; } /** * 获取合并单元格的值 * * @param sheet * @param row * @param column * @return */ public static string getmergedregionvalue(sheet sheet, int row, int column) { int sheetmergecount = sheet.getnummergedregions(); for (int i = 0; i < sheetmergecount; i++) { cellrangeaddress ca = sheet.getmergedregion(i); int firstcolumn = ca.getfirstcolumn(); int lastcolumn = ca.getlastcolumn(); int firstrow = ca.getfirstrow(); int lastrow = ca.getlastrow(); if (row >= firstrow && row <= lastrow) { if (column >= firstcolumn && column <= lastcolumn) { row frow = sheet.getrow(firstrow); cell fcell = frow.getcell(firstcolumn); return getcellvalue(fcell); } } } return null; } /** * 判断指定的单元格是否是合并单元格 * * @param sheet * @param row * 行下标 * @param column * 列下标 * @return */ public static boolean ismergedregion(sheet sheet, int row, int column) { int sheetmergecount = sheet.getnummergedregions(); for (int i = 0; i < sheetmergecount; i++) { cellrangeaddress range = sheet.getmergedregion(i); int firstcolumn = range.getfirstcolumn(); int lastcolumn = range.getlastcolumn(); int firstrow = range.getfirstrow(); int lastrow = range.getlastrow(); if (row >= firstrow && row <= lastrow) { if (column >= firstcolumn && column <= lastcolumn) { return true; } } } return false; } /** * 判断sheet页中是否含有合并单元格 * * @param sheet * @return */ @suppresswarnings("unused") private boolean hasmerged(sheet sheet) { return sheet.getnummergedregions() > 0 ? true : false; } /** * 合并单元格 * * @param sheet * @param firstrow * 开始行 * @param lastrow * 结束行 * @param firstcol * 开始列 * @param lastcol * 结束列 */ @suppresswarnings("unused") private void mergeregion(sheet sheet, int firstrow, int lastrow, int firstcol, int lastcol) { sheet.addmergedregion(new cellrangeaddress(firstrow, lastrow, firstcol, lastcol)); } /** * 获取单元格的值 * * @param cell * @return */ public static string getcellvalue(cell cell) { if (cell == null) return ""; if (cell.getcelltype() == cell.cell_type_string) { return cell.getstringcellvalue(); } else if (cell.getcelltype() == cell.cell_type_boolean) { return string.valueof(cell.getbooleancellvalue()); } else if (cell.getcelltype() == cell.cell_type_formula) { return cell.getcellformula(); } else if (cell.getcelltype() == cell.cell_type_numeric) { if (hssfdateutil.iscelldateformatted(cell)) {// 处理日期格式、时间格式 simpledateformat sdf = new simpledateformat("yyyy-mm-dd"); date date = cell.getdatecellvalue(); return string.valueof(sdf.format(date)); } else if (cell.getcellstyle().getdataformat() == 31) { // 处理自定义日期格式：yy年mm月dd日(通过判断单元格的格式id解决，id的值是31) simpledateformat sdf = new simpledateformat("yyyy-mm-dd"); double value = cell.getnumericcellvalue(); date date = org.apache.poi.ss.usermodel.dateutil .getjavadate(value); return string.valueof(sdf.format(date)); } else { double value = cell.getnumericcellvalue(); cellstyle style = cell.getcellstyle(); decimalformat format = new decimalformat(); return string.valueof(format.format(value)); } } return ""; } public static string filterstr(string str) { str = str.replace(string.valueof((char) 160), "").replace(string.valueof((char) 65279), ""); str = str.trim(); return str; } public static void main(string[] args) { system.out.println(convertrgbtohex(hssfcolor.yellow.triplet)); system.out.println(new xssfcolor(color.yellow).getargbhex().substring(2)); system.err.println(htmlutils.htmlunescape("汇总（电视&盒子&路由器）")); } static string convertrgbtohex(short[] rgb) { int r= rgb[0],g=rgb[1],b=rgb[2]; string rfstring, rsstring, gfstring, gsstring, bfstring, bsstring, result; int red, green, blue; int rred, rgreen, rblue; red = r / 16; rred = r % 16; if (red == 10) rfstring = "a"; else if (red == 11) rfstring = "b"; else if (red == 12) rfstring = "c"; else if (red == 13) rfstring = "d"; else if (red == 14) rfstring = "e"; else if (red == 15) rfstring = "f"; else rfstring = string.valueof(red); if (rred == 10) rsstring = "a"; else if (rred == 11) rsstring = "b"; else if (rred == 12) rsstring = "c"; else if (rred == 13) rsstring = "d"; else if (rred == 14) rsstring = "e"; else if (rred == 15) rsstring = "f"; else rsstring = string.valueof(rred); rfstring = rfstring + rsstring; green = g / 16; rgreen = g % 16; if (green == 10) gfstring = "a"; else if (green == 11) gfstring = "b"; else if (green == 12) gfstring = "c"; else if (green == 13) gfstring = "d"; else if (green == 14) gfstring = "e"; else if (green == 15) gfstring = "f"; else gfstring = string.valueof(green); if (rgreen == 10) gsstring = "a"; else if (rgreen == 11) gsstring = "b"; else if (rgreen == 12) gsstring = "c"; else if (rgreen == 13) gsstring = "d"; else if (rgreen == 14) gsstring = "e"; else if (rgreen == 15) gsstring = "f"; else gsstring = string.valueof(rgreen); gfstring = gfstring + gsstring; blue = b / 16; rblue = b % 16; if (blue == 10) bfstring = "a"; else if (blue == 11) bfstring = "b"; else if (blue == 12) bfstring = "c"; else if (blue == 13) bfstring = "d"; else if (blue == 14) bfstring = "e"; else if (blue == 15) bfstring = "f"; else bfstring = string.valueof(blue); if (rblue == 10) bsstring = "a"; else if (rblue == 11) bsstring = "b"; else if (rblue == 12) bsstring = "c"; else if (rblue == 13) bsstring = "d"; else if (rblue == 14) bsstring = "e"; else if (rblue == 15) bsstring = "f"; else bsstring = string.valueof(rblue); bfstring = bfstring + bsstring; result = rfstring + gfstring + bfstring; return result; } } |
再看下from.jsp页面
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<body> <div> <form id="mainform" action="${ctx}/bom/ciscaseaction/${action}" method="post" enctype="multipart/form-data"> <input type="file" name="file"/> <a href="${ctx}/static/案由导入模板.xls" rel="external nofollow" >下载模板</a> </form> </div> <script type="text/javascript"> $(function(){ $('#mainform').form({ onsubmit: function(){ var isvalid = $(this).form('validate'); return isvalid; // 返回false终止表单提交 }, success:function(data){ successtip(data,dg,d); } }); }); </script> </body> |
主界面jsp
复制代码 代码如下:
<a href="javascript(0)" rel="external nofollow" class="easyui-linkbutton" plain="true" iconcls="icon-standard-application-go" onclick="importaction()">导入</a>
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//导入 function importaction(){ d=$("#dlg").dialog({ title: '案由导入', width: 500, height: 500, href:'${ctx}/bom/ciscaseaction/importaction/', maximizable:true, modal:true, buttons:[{ text:'导入', handler:function(){ $('#mainform').submit(); } },{ text:'取消', handler:function(){ d.panel('close'); } }] }); } |
页面点击的效果是，点击导入会跳入from.jsp页面
再看controller层
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/** * 导入页面 */ @requestmapping(value = "importaction", method = requestmethod.get) public string importform( model model) { model.addattribute("action", "import"); return "system/ciscaseactionimoportform"; } /** * 导入 */ @requestmapping(value = "import", method = requestmethod.post) @responsebody public string importform(@requestparam("file") multipartfile multipartfile, model model) throws exception { ciscaseactionservice.upload(multipartfile); return "success"; } |
service层
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/** * 导入案由 */ @suppresswarnings({ "rawtypes", "unchecked" }) public void upload(multipartfile multipartfile) throws exception { inputstream inputstream = multipartfile.getinputstream(); exceltools exceltools = new exceltools(); exceltools.sheetinfo sheetinfo = exceltools.new sheetinfo(); sheetinfo.setrowtitle(0); map columns = new hashmap(); columns.put("columns",new string[]{"name:案由名称", "violatelaw:违反法律", "punishbasis:处罚依据"}); sheetinfo.setcolumnsmapping(columns); list<hashmap<string, string>> maplist = exceltools.getexcel(inputstream, sheetinfo); for (int i = 0; i < maplist.size(); i++){ hashmap<string, string> map = maplist.get(i); string name = map.get("name"); if (stringutils.isempty(name)){ throw new businessexception("第" + (i+2) + "案由名称不能为空"); } string violatelaw = map.get("violatelaw"); string punishbasis = map.get("punishbasis"); ciscaseaction ciscaseaction=new ciscaseaction(); ciscaseaction.setname(name); ciscaseaction.setviolatelaw(violatelaw); ciscaseaction.setpunishbasis(punishbasis); this.insert(ciscaseaction); //调用同一层的插入方法 } } |
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持服务器之家。
原文链接：https://blog.csdn.net/qq_34178998/article/details/79756352
