问题描述:
我是在一个jsp页面有一个保存按钮,点击时会触发saveForm()的js函数,在saveForm()函数里经过校验后,会通过ajax发送数据请求,这样就不用通过提交表单来传输数据了,ajax估计就是这样的好处吧,目前对ajax还不太熟悉。
ajax传输乱码时的代码:
1 function saveForm(){ 2 if(document.theformadd.onsubmit()){ 3 disableAllBtn(true); 4 j$.ajax({ 5 type:"get", 6 url:"add_form_do.jsp", 7 data:{ 8 problem_id : j$("#problem_id").val(), 9 product_id : "<%=product_id%>",10 productId : j$("#productId").val(),11 depart_id : j$("#depart_id").val(),12 fk_busi_id : j$("#fk_busi_id").val(),13 fk_type : j$("#fk_type").val(),14 fk_source : j$("#fk_source").val(),15 fk_info : j$("#fk_info").val(),16 fk_name : j$("#fk_name").val(),17 fk_bank_name : j$("#fk_bank_name").val(),18 fk_bank_acct : j$("#fk_bank_acct").val(),19 sk_name : j$("#sk_name").val(),20 sk_bank_name : j$("#sk_bank_name").val(),21 sk_bank_acct : j$("#sk_bank_acct").val(),22 fk_money : j$("#fk_money").val(),23 fk_summary : j$("#fk_summary").val(),24 fk_date : j$("#fk_date").val(),25 input_man : "<%=input_operatorCode%>"26 },27 success:function(ret){28 if(ret == 1) {29 sl_alert("保存成功!");30 }else{31 sl_alert(ret);32 33 }34 35 window.returnValue=true;36 window.close();37 38 39 }40 });41 }42 }
然后我们在add_form_do.jsp中获取数据
1 <%@ page contentType="text/html; charset=GBK" import="java.math.*,com.enfo.intrust.intrust.vo.*,java.io.*, com.enfo.intrust.web.*,java.util.*,com.enfo.intrust.dao.*,com.enfo.intrust.intrust.*,com.enfo.intrust.tools.*,com.enfo.intrust.project.*" %> 2 <script type="text/javascript" src='/images/loading.gif' data-original="<%=request.getContextPath()%>/ext2.0/ext-base.js"></script> 3 <script type="text/javascript" src='/images/loading.gif' data-original="<%=request.getContextPath()%>/ext2.0/ext-all.js"></script> 4 <%@ include file="/includes/operator.inc" %> 5 <% 6 try{ 7 product_id = Utility.parseInt(Utility.trimNull(request.getParameter("product_id")),product_id); 8 9 UnpostwarrantLocal local = EJBFactory.getUnpostwarrant();10 11 Integer problem_id = Utility.parseInt(request.getParameter("problem_id"),new Integer(0));12 13 Integer depart_id = Utility.parseInt(request.getParameter("depart_id"),new Integer(0)); //部门14 Integer productId = Utility.parseInt(Utility.trimNull(request.getParameter("productId")),product_id);15 String fk_busi_id = Utility.trimNull(request.getParameter("fk_busi_id")); //字典1206 费用16 String fk_type = Utility.trimNull(request.getParameter("fk_type")); //付款方式 210317 String fk_source = Utility.trimNull(request.getParameter("fk_source")); //付款依据 210418 String fk_info = Utility.trimNull(request.getParameter("fk_info")); //票据号码19 String fk_name = Utility.trimNull(request.getParameter("fk_name")); //付款单位20 String fk_bank_name = Utility.trimNull(request.getParameter("fk_bank_name")); //付款银行名称21 String fk_bank_acct = Utility.trimNull(request.getParameter("fk_bank_acct")); //付款银行账号22 String sk_name = Utility.trimNull(request.getParameter("sk_name")); //收款单位23 String sk_bank_name = Utility.trimNull(request.getParameter("sk_bank_name")); //收款银行名称24 String sk_bank_acct = Utility.trimNull(request.getParameter("sk_bank_acct")); //收款银行账号25 BigDecimal fk_money = Utility.parseDecimal(Utility.trimNull(request.getParameter("fk_money")).replaceAll(",",""),new BigDecimal(0)); //金额26 String fk_summary = Utility.trimNull(request.getParameter("fk_summary")); //备注27 Integer fk_date = Utility.parseInt(request.getParameter("fk_date"),new Integer(Utility.getCurrentDate())); //要求付款日期28 29 local.setProblem_id(problem_id);30 //local.setProduct_id(product_id);31 local.setProduct_id(productId);32 local.setDepart_id(depart_id);33 local.setFk_busi_id(fk_busi_id);34 local.setFk_type(fk_type);35 local.setFk_source(fk_source);36 local.setFk_info(fk_info);37 local.setFk_name(fk_name);38 local.setFk_bank_name(fk_bank_name);39 local.setFk_bank_acct(fk_bank_acct);40 local.setSk_name(sk_name);41 local.setSk_bank_name(sk_bank_name);42 local.setSk_bank_acct(sk_bank_acct);43 local.setFk_money(fk_money);44 local.setFk_summary(fk_summary);45 local.setFk_date(fk_date);46 local.setInput_man(input_operatorCode);47 local.addFinacialcardInfoGuotou();48 out.clear();49 response.getWriter().write("1");50 }catch(Exception e){51 out.clear();52 response.getWriter().write(e.getMessage());53 }54 55 %>
这时候我接受到的数据会是中文乱码,不管传输方式是get,还是post都会中文乱码
解决方案:
我们可以在传输时对数据重新编码,然后在接受数据时重新解码。其实乱码的问题就是编码格式冲突,导致解码的密钥对之前格式解析错误,导致乱码。在传输时,在需要传输中文数据前面加一个encodeURI()编码,例如:encodeURI(j$("#fk_info").val());在接受需要中文数据的前面加一个java.net.URLDecoder.decode(value, "UTF-8"),例如
String fk_bank_name = Utility.trimNull(request.getParameter("fk_bank_name"));
String trans = java.net.URLDecoder.decode(fk_bank_name, "UTF-8");
具体修改后的全部代码如下:
修复后ajax传输的代码:
1 function saveForm(){ 2 if(document.theformadd.onsubmit()){ 3 disableAllBtn(true); 4 j$.ajax({ 5 type:"get", 6 url:"add_form_do.jsp", 7 data:{ 8 problem_id : j$("#problem_id").val(), 9 product_id : "<%=product_id%>",10 productId : j$("#productId").val(),11 depart_id : j$("#depart_id").val(),12 fk_busi_id : j$("#fk_busi_id").val(),13 fk_type : j$("#fk_type").val(),14 fk_source : j$("#fk_source").val(),15 fk_info : encodeURI(j$("#fk_info").val()),16 fk_name : encodeURI(j$("#fk_name").val()),17 fk_bank_name : encodeURI(j$("#fk_bank_name").val()),18 fk_bank_acct : encodeURI(j$("#fk_bank_acct").val()),19 sk_name : encodeURI(j$("#sk_name").val()),20 sk_bank_name : encodeURI(j$("#sk_bank_name").val()),21 sk_bank_acct : encodeURI(j$("#sk_bank_acct").val()),22 fk_money : j$("#fk_money").val(),23 fk_summary : encodeURI(j$("#fk_summary").val()),24 fk_date : j$("#fk_date").val(),25 input_man : "<%=input_operatorCode%>"26 },27 success:function(ret){28 if(ret == 1) {29 sl_alert("保存成功!");30 }else{31 sl_alert(ret);32 33 }34 35 window.returnValue=true;36 window.close();37 38 39 }40 });41 }42 }
修复后add_form_do.jsp中获取数据:
1 <%@ page contentType="text/html; charset=GBK" import="java.math.*,com.enfo.intrust.intrust.vo.*,java.io.*, com.enfo.intrust.web.*,java.util.*,com.enfo.intrust.dao.*,com.enfo.intrust.intrust.*,com.enfo.intrust.tools.*,com.enfo.intrust.project.*" %> 2 <script type="text/javascript" src='/images/loading.gif' data-original="<%=request.getContextPath()%>/ext2.0/ext-base.js"></script> 3 <script type="text/javascript" src='/images/loading.gif' data-original="<%=request.getContextPath()%>/ext2.0/ext-all.js"></script> 4 <%@ include file="/includes/operator.inc" %> 5 <% 6 try{ 7 product_id = Utility.parseInt(Utility.trimNull(request.getParameter("product_id")),product_id); 8 9 UnpostwarrantLocal local = EJBFactory.getUnpostwarrant();10 11 Integer problem_id = Utility.parseInt(request.getParameter("problem_id"),new Integer(0));12 13 Integer depart_id = Utility.parseInt(request.getParameter("depart_id"),new Integer(0)); //部门14 Integer productId = Utility.parseInt(Utility.trimNull(request.getParameter("productId")),product_id);15 String fk_busi_id = Utility.trimNull(request.getParameter("fk_busi_id")); //字典1206 费用16 String fk_type = Utility.trimNull(request.getParameter("fk_type")); //付款方式 210317 String fk_source = Utility.trimNull(request.getParameter("fk_source")); //付款依据 210418 String fk_info = Utility.trimNull(request.getParameter("fk_info")); //票据号码19 String fk_name = Utility.trimNull(request.getParameter("fk_name")); //付款单位20 String fk_bank_name = Utility.trimNull(request.getParameter("fk_bank_name")); //付款银行名称21 String fk_bank_acct = Utility.trimNull(request.getParameter("fk_bank_acct")); //付款银行账号22 String sk_name = Utility.trimNull(request.getParameter("sk_name")); //收款单位23 String sk_bank_name = Utility.trimNull(request.getParameter("sk_bank_name")); //收款银行名称24 String sk_bank_acct = Utility.trimNull(request.getParameter("sk_bank_acct")); //收款银行账号25 BigDecimal fk_money = Utility.parseDecimal(Utility.trimNull(request.getParameter("fk_money")).replaceAll(",",""),new BigDecimal(0)); //金额26 String fk_summary = Utility.trimNull(request.getParameter("fk_summary")); //备注27 Integer fk_date = Utility.parseInt(request.getParameter("fk_date"),new Integer(Utility.getCurrentDate())); //要求付款日期28 29 local.setProblem_id(problem_id);30 //local.setProduct_id(product_id);31 local.setProduct_id(productId);32 local.setDepart_id(depart_id);33 local.setFk_busi_id(fk_busi_id);34 local.setFk_type(fk_type);35 local.setFk_source(fk_source);36 local.setFk_info(java.net.URLDecoder.decode(fk_info, "UTF-8"));37 local.setFk_name(java.net.URLDecoder.decode(fk_name, "UTF-8"));38 local.setFk_bank_name(java.net.URLDecoder.decode(fk_bank_name, "UTF-8"));39 local.setFk_bank_acct(java.net.URLDecoder.decode(fk_bank_acct, "UTF-8"));40 local.setSk_name(java.net.URLDecoder.decode(sk_name, "UTF-8"));41 local.setSk_bank_name(java.net.URLDecoder.decode(sk_bank_name, "UTF-8"));42 local.setSk_bank_acct(java.net.URLDecoder.decode(sk_bank_acct, "UTF-8"));43 local.setFk_money(fk_money);44 local.setFk_summary(java.net.URLDecoder.decode(fk_summary, "UTF-8"));45 local.setFk_date(fk_date);46 local.setInput_man(input_operatorCode);47 local.addFinacialcardInfoGuotou();48 out.clear();49 response.getWriter().write("1");50 }catch(Exception e){51 out.clear();52 response.getWriter().write(e.getMessage());53 }54 55 %>
注意事项:
如果是接受数据不是jsp页面,而是Java类的时候,只需要URLDecoder.decode(value, "UTF-8");来解码,然后导入相应的包。还有传输时可能需要两次编码encodeURI(encodeURI(j$("#fk_info").val())),具体原因是我们通过request.getParameter()来获取数据时就会进行一次解码操作,解码时不变。
原标题:ajax传输中文乱码解决方法
关键词:ajax