当用户单击“确认”复选框时,我尝试验证一些信息。问题是这是从 Access 数据库中提取的数据,因此表单字段 ID 具有变量。这是我用来触发事件的复选框:
<INPUT TYPE="checkbox" id="checkconfirm<%=j%>" NAME="confirm<%=j%>" align="center" value="Yes" onclick="ConfirmBoxChecked(this.form.confirm<%=j%>.name,this.form.confirmYear<%=j%>.value,this.form.confirmStatus<%=j%>.value)">
其中j是从access数据库中提取的每条记录(因此第一条记录复选框是checkconfirm1,第二条记录checkconfirm2等)。
confirmYear和confirmStatus是我正在检查的两条数据。
我的 javascript onclick 函数是这样的:
function ConfirmBoxChecked(confirmbox, yearz, statuz) {
var datecheck = new Date;
//alert("Working! " + yearz + " working " + confirmbox + " working " + statuz + " working " + datecheck.getFullYear() + " working ");
var boxname = "\'" + confirmbox + "\'"
alert(boxname);
if (statuz=="P" && (yearz < datecheck.getFullYear())) {
alert("This fleet was delivered in " + yearz + " but is still listed as 'Potential Order'. Please edit the year or status of these vehicles.");
document.getElementByID(boxname).checked=false;
}
if (statuz=="O" && (yearz < datecheck.getFullYear())) {
alert("This fleet was delivered in " + yearz + " but is still listed as 'On Order'. Please edit the year or status of these vehicles.");
return false;
}
if (statuz=="A" && yearz > datecheck.getFullYear() - 1) {
alert("You have entered vehicles with status=''Active'', but with a model year of " + yearz + ". Your responses should reflect the status of these vehicles on 1/1/" + daty.getFullYear() + ".\nVehicles being delivered in " + daty.getFullYear() + " or in later years should be ''On Order'' or ''Potential'' based on the contract status. Please correct the year or status of these vehicles.");
return false;
}
}
在我看来,验证工作正常 - IF 正确触发后的警报。但我希望在警报触发后取消选中该复选框。我不知道该怎么做。
好的,这就是解决问题的方法。我没有通过名称,而是通过元素。所以输入代码如下所示:
<INPUT TYPE="checkbox" id="checkconfirm<%=j%>" NAME="confirm<%=j%>" align="center" value="Yes" onClick="ConfirmBoxChecked(this,this.form.confirmYear<%=j%>.value,this.form.confirmStatus<%=j%>.value)">
然后函数代码如下:
function ConfirmBoxChecked(confirmbox, yearz, statuz) {
var datecheck = new Date;
//alert("Working! " + yearz + " working " + confirmbox + " working " + statuz + " working " + datecheck.getFullYear() + " working ");
//var boxname = "\"" + confirmbox + "\""
//alert(boxname);
if (statuz=="P" && (yearz < datecheck.getFullYear())) {
alert("This fleet was delivered in " + yearz + " but is still listed as 'Potential Order'. You must edit the year or status of these vehicles before you can confirm.");
confirmbox.checked = false; }
if (statuz=="O" && (yearz < datecheck.getFullYear())) {
alert("This fleet was delivered in " + yearz + " but is still listed as 'On Order'. You must edit the year or status of these vehicles before you can confirm.");
confirmbox.checked = false; }
if (statuz=="A" && yearz > datecheck.getFullYear() - 1) {
alert("You have entered vehicles with status=''Active'', but with a model year of " + yearz + ". Your responses should reflect the status of these vehicles on 1/1/" + daty.getFullYear() + ".\nVehicles being delivered in " + daty.getFullYear() + " or in later years should be ''On Order'' or ''Potential'' based on the contract status. Please correct the year or status of these vehicles.");
confirmbox.checked = false; }
}
而且它有效!
最佳答案
您将复选框的 name
属性作为函数中的 confirmbox
参数传递。然后在您的代码中调用 getElementById(confirmbox)
,这不是 id
。尝试传递 id
属性:
<INPUT TYPE="checkbox" id="checkconfirm<%=j%>" NAME="confirm<%=j%>" align="center" value="Yes" onclick="ConfirmBoxChecked(this.id,this.form.confirmYear<%=j%>.value,this.form.confirmStatus<%=j%>.value)">
关于javascript - 表单验证 - 使用 Javascript 进行复选框,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/34888734/