/
@see 获得表单里的数据(不光是表单，任何元素都可以)
@param id 表单的ID
@param type 要返回的类型: string返回用&拼接的字符串, object返回一个js对象, json表示返回json格式的字符串
@return 根据type而定，默认为string
/
function getFormData(id, type) {
if (getO(id) != null) {
var str = "";
var obj = new Object();
var json = "{";
var array = getO(id)getElementsByTagName("input");
var rdbArr = new Array();
var ckbArr = new Array();
for (var i = 0; i < arraylength; i++) {
if (array[i]name != null && array[i]name != "") {
if (array[i]type == null || array[i]type == "") {
array[i]type = "text";
}
var inType = array[i]typetoLowerCase();
if (inType == "text" || inType == "hidden" || inType == "password") {
str += array[i]name + "=" + array[i]value + "&";
obj[array[i]name] = array[i]value;
json += array[i]name + ":'" + array[i]valuereplace(/\'/g, "\"") + "',";
} else if (inType == "radio") {
if (!isArrayHave(rdbArr, array[i]name)) {
rdbArr[rdbArrlength] = array[i]name;
}
} else if (inType == "checkbox") {
if (!isArrayHave(ckbArr, array[i]name)) {
ckbArr[ckbArrlength] = array[i]name;
}
}
}
}
for (var i = 0; i < rdbArrlength; i++) {
var key = rdbArr[i], value = getRadio(rdbArr[i]);
str += key + "=" + value + "&";
obj[key] = value;
json += key + ":'" + valuereplace(/\'/g, "\"") + "',";
}
for (var i = 0; i < ckbArrlength; i++) {
var key = ckbArr[i], value = getBox(ckbArr[i]);
str += key + "=" + value + "&";
obj[key] = value;
json += key + ":'" + valuereplace(/\'/g, "\"") + "',";
}
array = getO(id)getElementsByTagName("textarea");
for (var i = 0; i < arraylength; i++) {
if (array[i]name != null && array[i]name != "") {
str += array[i]name + "=" + array[i]value + "&";
obj[array[i]name] = array[i]value;
json += array[i]name + ":'" + array[i]valuereplace(/\'/g, "\"") + "',";
}
}
array = getO(id)getElementsByTagName("select");
for (var i = 0; i < arraylength; i++) {
if (array[i]name != null && array[i]name != "") {
str += array[i]name + "=" + array[i]value + "&";
obj[array[i]name] = array[i]value;
json += array[i]name + ":'" + array[i]valuereplace(/\'/g, "\"") + "',";
}
}
str = (strlength > 0 strsubstring(0, strlength - 1) : str);
json = (jsonlength > 1 jsonsubstring(0, jsonlength - 1) : json);
json += "}";
if (type == "object") {
return obj;
} else if (type == "json") {
return json;
} else {
return str;
}
} else {
alertWin(id + "\u672a\u5b9a\u4e49");
}
return "";
}
<form name="form1" action=">
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 401 Transitional//EN">
<html>
<head>
<meta >
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