[英]checkbox and respective row's values from jsp to java controller file
我在spring mvc中工作,現在專注於從jsp對表的插入操作,然后執行控制器。
我有數據庫中搜索查詢的值列表。 我只想保存很少的行,而不是全部。 為此,我放置了一個復選框以選擇需要刪除的行,以便只能將其插入表中。
如果我在該表中選擇第三行,則得到的chackbox值僅與所選值相同。 但是我無法在該第三行中獲取其他值,相反,我只能獲取第一行值。 任何人都可以給出正確的方法來做到這一點嗎?
JSP:
<div id="login_block">
<center>
<span style="font-size: 2em;">Funder Assign </span></center>
<div style="margin-top: 30px;">
<form id="saveAssign" method="POST" name="saveAssign"
action="saveAssign.htm" autocomplete="on">
<label class="bold_text" style="margin-right:5%; margin-left:10%;">Loan Type</label>
<select name="producttype" id="producttype" style="width:29%;">
<option value="0">--Select--</option>
<c:forEach var="entry" items="${productList}">
<option value="${entry.key}">${entry.value}</option>
</c:forEach>
</select><br/><br/>
<table border=1>
<thead>
<tr>
<th>Select</th>
<th>Loan A/c No</th>
<th style="width;1%;">Type</th>
<th>Funder</th>
<th>Purpose</th>
</tr>
</thead>
<tbody>
<c:forEach var="loan" items="${loans}">
<tr>
<td><input type="checkbox" name="loanId" value="${loan.id}"></td>
<td><input type="text" name = "loanAccNo" value="${loan.loanAccNo}" readonly="readonly"></td>
<td><input type="text" name = "product" value="${loan.product.name}" readonly="readonly" ></td>
<td><select id="funderId" name="funderId" >
<option value="0">--Select--</option>
<c:forEach var="fund" items="${fundMap}">
<option value="${fund.key}">${fund.value}</option>
</c:forEach>
</select></td>
<td><select id="purpose" name="purpose" style="width:75%;">
<option value="0">--Select--</option>
<c:forEach var="purpose" items="${fundProdPurpose}">
<option value="${purpose.id}">${purpose.id}</option>
</c:forEach>
</select></td>
</tr>
</c:forEach>
</tbody>
</table>
<div>
<input class="login_block_login_btn" type="submit" name="submit" style="margin-left:0%;"
value="Save" id="addfundsbtn" />
</div><br/><br/><br/>
</form>
</div>
</div>
調節器
public class SaveFunderAssignController extends AbstractController {
@Resource
private UserService userService;
@Resource
private CommonRepository commonRepository;
public ModelAndView handleRequestInternal(HttpServletRequest request,
HttpServletResponse response) throws Exception {
String[] loanIds = request.getParameterValues("loanId");
if (!loanIds.equals("")) {
return save(request, response);
}
return cancel(request, response);
}
private ModelAndView save(HttpServletRequest request,
HttpServletResponse response) throws Exception {
try {
String[] loanIds = request.getParameterValues("loanId");
String[] loanAccNos = request.getParameterValues("loanAccNo");
String[] products = request.getParameterValues("product");
String[] funderIds = request.getParameterValues("funderId");
String[] purposes = request.getParameterValues("purpose");
LoanFinance loanFinance = new LoanFinance();
User user = userService.getLoggedInUser(request);
for (String loanId : loanIds) {
int loanIdInt = Integer.parseInt(loanId) - 1;
Long bankId = Long.parseLong(funderIds[loanIdInt]);
Long loanIdLong = (long) loanIdInt + 1;
Long purpose = Long.parseLong(purposes[loanIdInt]);
System.out.println("loanIdInt**"+loanIdInt );
System.out.println("bankId**"+bankId );
System.out.println("loanIdLong**"+loanIdLong );
System.out.println("purpose**"+purpose );
}
return doMapping("result", "Funder details added successfully",
request);
} catch (Exception e) {
e.printStackTrace();
return doMapping("result", "Unable to add funder details", request);
}
}
更改為更新的循環后,“此處借出ID”僅打印為與所選值相同,但對於其他內容,則從第一行獲取...
現在,loanId在控制台中正在打印...
我嘗試了以下方法來獲取復選框的位置,但是這里同樣也只有loanId,其他都來自第一行。
我在尋找,如果選擇了第一個復選框,那么loanId將為1,如果選擇了第三個復選框和第四個復選框,則將為3,4。任何幫助將不勝感激。
for (String string : loanIds) {
for (int i = 0; i < loanIds.length; i++) {
if (loanIds[i] == string) {
Integer ge = i;
System.out.println("I Value**"+i );
System.out.println("loanAccNos**"+loanAccNos[ge] );
System.out.println("funderIds**"+funderIds[ge] );
System.out.println("purposes**"+purposes[ge] );
System.out.println("loanIds**"+loanIds[ge] );
}
}
}
問題出在您的檢索邏輯中。 您正在從int i = 0;
檢索所有其他值int i = 0;
這就是為什么它顯示出第一價值。 在給定的循環下面嘗試。
for (String loanId : loanIds) {
int loanIdInt = Integer.parseInt(loanId) - 1;
Long bankId = Long.parseLong(funderIds[loanIdInt]);
Long loanIdLong = (long) loanIdInt + 1;
Long purpose = Long.parseLong(purposes[loanIdInt]);
loanFinance.setFundingBankId(bankId);
loanFinance.setIdFundsProductPurpose(purpose);
loanFinance.setLoanId(loanIdLong);
loanFinance.setLastModifiedBy(user.getId());
loanFinance.setIdEntityloan(loanIdLong);
loanFinance.setAmount(10000.00);
loanFinance.setStatus("A");
commonRepository.save(loanFinance);
}
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