form表單回寫技巧java完成。本站提示廣大學習愛好者：（form表單回寫技巧java完成）文章只能為提供參考，不一定能成為您想要的結果。以下是form表單回寫技巧java完成正文
本文實例為年夜家分享了form表單回寫技巧，供年夜家參考，詳細內容以下
回寫支撐的java拼js的辦法：
/**
* 回寫表單
*
* @param mRequest
* @return
*/
public static String writeBackMapToForm(Map mRequest) {
return writeBackMapToForm(mRequest, new String[]{}, "writeBackMapToForm");
}
/**
* 回寫表單
*
* @param mRequest
* @param ignoreName 界說哪些key值的input不回寫
* @return
*/
public static String writeBackMapToForm(Map mRequest, String[] ignoreName, String jsFunctionName) {
mRequest.remove("checkbox_template"); //不回寫列表中checkbox的值
StringBuffer rtValue = new StringBuffer();
rtValue.append(" var mForm = new Object();\n");
rtValue.append(" var indexArray = new Array();\n");
rtValue.append(" function writeBackMapToForm() {\n");
Iterator itMRequest = mRequest.keySet().iterator();
while (itMRequest.hasNext()) {
String tempKey = (String) itMRequest.next();
Object tempValue = mRequest.get(tempKey);
if (tempKey.startsWith("VENUS") || tempKey.startsWith("RANMIN")) {
continue;
}
if (RmStringHelper.ArrayContainString(ignoreName, tempKey)) {
continue;
}
String tempValueNew = "";
if (tempValue instanceof String) { //假如是單值，直接注入
tempValueNew = RmStringHelper.replaceStringToScript((String)tempValue); //從數據庫中掏出來今後須要轉換1次
rtValue.append(" indexArray[indexArray.length] = \"" + tempKey + "\";\n");
rtValue.append(" mForm[\"" + tempKey + "\"] = \"" + tempValueNew + "\";\n");
} else if (tempValue instanceof String[]) { //假如是多值，放入數組
rtValue.append(" indexArray[indexArray.length] = \"" + tempKey + "\";\n");
String[] myArray = (String[]) tempValue;
if ( tempKey.equals("cmd") ){
tempValueNew = RmStringHelper.replaceStringToScript(myArray[0]);
rtValue.append(" mForm[\"" + tempKey + "\"] = \"" + tempValueNew + "\";\n");
} else {
rtValue.append(" mForm[\"" + tempKey + "\"] = [");
for (int i = 0; i < myArray.length; i++) {
if (i > 0)
rtValue.append(",");
tempValueNew = RmStringHelper.replaceStringToScript(myArray[i]);
rtValue.append("\"" + tempValueNew + "\"");
}
rtValue.append("];\n");
}
} else if (tempValue instanceof Timestamp) { //假如是時光戳，直接注入
if(tempValue == null) {
continue;
}
tempValueNew = RmStringHelper.replaceStringToScript(tempValue.toString().substring(0,19));
rtValue.append(" indexArray[indexArray.length] = \"" + tempKey + "\";\n");
rtValue.append(" mForm[\"" + tempKey + "\"] = \"" + tempValueNew + "\";\n");
} else if (tempValue instanceof BigDecimal){
tempValueNew = RmStringHelper.replaceStringToScript(tempValue.toString());
rtValue.append(" indexArray[indexArray.length] = \""
+ tempKey + "\";\n");
rtValue.append(" mForm[\"" + tempKey + "\"] = \""
+ tempValueNew + "\";\n");
} else {
if(tempValue != null) {
RmStringHelper.log("在回寫頁面時，碰到了未知java類型:" + tempValue);
}
continue;
}
}
rtValue.append(" for(var i=0; i<indexArray.length; i++) {\n");
rtValue.append(" writeBackValue(indexArray[i]);\n");
rtValue.append(" }\n");
rtValue.append(" }\n");
rtValue.append(jsFunctionName + "();\n");
return rtValue.toString();
}
//經由過程此辦法將request中的值放入mForm對象中
var mForm = new Object();
var indexArray = new Array();
function writeBackMapToForm() {
indexArray[indexArray.length] = "att_id";
mForm["att_id"] = "";
indexArray[indexArray.length] = "businessTypeOID";
mForm["businessTypeOID"] = [""];
indexArray[indexArray.length] = "business_type1";
mForm["business_type1"] = "";
indexArray[indexArray.length] = "business_type2";
mForm["business_type2"] = "1";
indexArray[indexArray.length] = "cmd";
mForm["cmd"] = "saveExamineRule";
indexArray[indexArray.length] = "document_content";
mForm["document_content"] = "s2";
indexArray[indexArray.length] = "file_path";
mForm["file_path"] = "";
indexArray[indexArray.length] = "file_template";
mForm["file_template"] = "";
indexArray[indexArray.length] = "gxl";
mForm["gxl"] = "null";
indexArray[indexArray.length] = "owner_id";
mForm["owner_id"] = "s1";
for(var i=0; i<indexArray.length; i++) {
writeBackValue(indexArray[i]);
}
}
writeBackMapToForm();
症結語句jsp頁面中參加後輸入挪用js辦法：
<script language="javascript">
<% //表單回寫
if(request.getAttribute(RuleExamineConstants.REQUEST_WRITE_BACK_FORM_VALUES) != null) { //假如request中掏出的表單回寫bean不為空
out.print(RmVoHelper.writeBackMapToForm((java.util.Map)request.getAttribute(RuleExamineConstants.REQUEST_WRITE_BACK_FORM_VALUES))); //輸入表單回寫辦法的劇本
}
Map mapt = (java.util.Map)request.getAttribute(RuleExamineConstants.REQUEST_WRITE_BACK_FORM_VALUES);
System.out.print("infois:"+mapt.entrySet());
out.print("alert(1);");
%>
</script>
//下面語句現實上注入的js格局內容如：
var mForm = new Object();
var indexArray = new Array();
function writeBackMapToForm() {
indexArray[indexArray.length] = "_function_id_";
mForm["_function_id_"] = "3670212500000000050";
indexArray[indexArray.length] = "cmd";
mForm["cmd"] = "listBusinessTypePage";
for(var i=0; i<indexArray.length; i++) {
writeBackValue(indexArray[i]);
}
}
writeBackMapToForm();
//注入後挪用js回寫表雙方法
function writeBackValue(inputName) {
if(form.elements[inputName] == undefined) {
return false;
}
if(form.elements[inputName].value != undefined) {
form.elements[inputName].value = mForm[inputName];
}
if(form.elements[inputName].length != undefined ) {
var thisValue = mForm[inputName];
if(mForm[inputName][0] == undefined) {
thisValue = new Array();
thisValue[thisValue.length] = mForm[inputName];
}
if(form.elements[inputName].length != null) {
var tempLength = form.elements[inputName].length;
for(var j=0; j<tempLength; j++) {
var thisObj = form.elements[inputName][j];
for(var k=0; k<thisValue.length; k++) {
if(thisObj.value == thisValue[k]) {
if( thisObj.checked != undefined) {
thisObj.checked = true;
break;
} else if( thisObj.selected != undefined) {
thisObj.selected = true;
break;
}
} else {
if( thisObj.checked != undefined) {
thisObj.checked = false;
} else if( thisObj.selected != undefined) {
thisObj.selected = false;
}
}
}
}
}
}
}
以上就是本文的全體內容，願望對年夜家的進修有所贊助。
