我目前正在尝试在页面刷新时在 GM 脚本中传递变量。基本上我正在使用 "Using Greasemonkey and jQuery to intercept JSON/AJAX data from a page, and process it." 中的脚本——我已经使用并添加了很多。
我已经挑选出了一些变量,并希望在页面刷新时将它们保留下来,但它们没有。每次刷新时它都会将变量重置为 0,并且不会延续。
这基本上就是我所得到的......或者更确切地说是重要的部分,脚本太长,无法粘贴这个问题的整个脚本。
var A12_old1 = GM_getValue('A12_old1', 0);
var A12_old2 = GM_getValue('A12_old2', 0);
var A12_old3 = GM_getValue('A12_old3', 0);
//then further on...
A12_current = parseFloat(singleAuctionData[8]);
A12_rest = singleAuctionData[1];
if (t_int < 1) {
if (t_test) {
alert_test = true;
t_test = false;
A12reset_go = true;
A12_old3 = A12_old2;
A12_old2 = A12_old1;
A12_old1 = A12_current;
}
}
/* so basically doing some calculations as to what the values should be then to
carry them over, at almost the end of the script, but still running every
second, there is:
*/
if (alert_test) {
alert_test = false;
alert(A12_old1 + ' ' + A12_old2 + ' ' + A12_old3);
}
GM_setValue('A12_old1', A12_old1);
GM_setValue('A12_old2', A12_old2);
GM_setValue('A12_old3', A12_old3);
}
/*but it isn't carrying the 3 values over when the page refreshes.
It resets to '0'....
*/
有人可以告诉我哪里可能出错吗?
更新:
对..这是一个给我带来麻烦的脚本的缩短版本,但仍然存在相同的问题:
// ==UserScript==
// @name setvalue test
// @include http://www.trada.net/*
// @require http://ajax.googleapis.com/ajax/libs/jquery/1.5.1/jquery.min.js
// ==/UserScript==
var auctiontyp = 0;
var my_test = GM_getValue("tsttst", 0);
var my_test2 = GM_getValue("tsttst2", 0);
var h = 0;
var m = 0;
var s = 0;
var t_int = 0;
var t_str = '';
var A12_current = 0;
var a_tst = true;
var a_tst2 = true;
var A12_old1 = GM_getValue("A12_old1", 0);
var A12_old2 = GM_getValue("A12_old2", 0);
var A12_old3 = GM_getValue("A12_old3", 0);
if (a_tst) {
alert(my_test);
GM_setValue("tsttst", 5);
a_tst = false;
}
//--- Create a cell for transmitting the date from page scope to GM scope.
$('body').prepend('<div id="LatestJSON_Data"></div>');
var J_DataCell = $('#LatestJSON_Data');
//--- Evesdrop on the page's AJAX calls and paste the data into our special div.
unsafeWindow.$('body').ajaxSuccess(
function (event, requestData) {
J_DataCell.text(requestData.responseText);
} );
//--- Listen for changes to the special div and parse the data.
J_DataCell.bind('DOMSubtreeModified', ParseJSON_Data);
function ParseJSON_Data() {
//--- Get the latest data from the special cell and parse it.
var myJson = J_DataCell.text();
var jsonObj = $.parseJSON(myJson);
//--- The JSON should return a 2-D array, named "d".
var AuctionDataArray = jsonObj.d;
//--- Loop over each row in the array.
$.each(AuctionDataArray, function (rowIndex, singleAuctionData) {
//--- Print the 7th column.
console.log('Row: ' + (parseInt(rowIndex) + 1) + ' Column: 7 Value: ' + singleAuctionData[6]);
if (a_tst2) {
alert(my_test2);
GM_setValue("tsttst2", 15);
alert(A12_old1 + ' ' + A12_old2 + ' ' + A12_old3);
a_tst2 = false;
}
t_str = singleAuctionData[10];
var time = t_str.split(":");
h = 3600 * parseInt(time[0], 10);
m = 60 * parseInt(time[1], 10);
s = parseInt(time[2], 10);
t_int = h + m + s;
auctiontyp = parseInt(singleAuctionData[4]);
if (auctiontyp == 4) {
A12_current = parseFloat(singleAuctionData[8]);
if (t_int < 1) {
A12_old3 = A12_old2;
A12_old2 = A12_old1;
A12_old1 = A12_current;
GM_setValue("A12_old1", A12_old1);
GM_setValue("A12_old2", A12_old2);
GM_setValue("A12_old3", A12_old3);
}
}
});
}
变量“my_test”被继承,但在 json 数组中运行的“my_test2”以及我的其他变量不会被 GM_setvalue
继承。我不确定为什么,但这就是我能够缩小范围的范围。
最佳答案
一些事情:
这些脚本正在尝试存储 float 。
GM_setValue()
only works on: strings, integers and booleans .
幸运的是,有一个扩展;更多内容见下文。后来对 GM_setValue 的调用失败,因为它们位于事件处理程序内。
如果您一直在观看Firebug console (始终以这种方式调试!),一条红色错误消息滚动过去:Greasemonkey access violation: unsafeWindow cannot call GM_setValue.
同样,不使用
alerts()
进行测试恼人的?使用console functions并且脚本不必停止,而且您也不会有那些讨厌的弹出窗口。
那么,如何修复:
首先,进行测试。
安装此脚本:
// ==UserScript== // @name Super GM_setValue and GM_getValue TEST SHELL // @namespace DEBUG // @include https://stackoverflow.com/questions/* // @require http://userscripts.org/scripts/source/107941.user.js // ==/UserScript== /*--- Run the test cases to make sure that the GM_setValue and GM_getValue extensions are able to run on this browser. */ GM_SuperValue.runTestCases (0);
然后导航至此页面 ( stackoverflow.com/q/6802750/ )。
Firebug 控制台打开后,重新加载页面。
结果如何?
使用增强的 GM_setValue 库。将此行添加到您的脚本中:
// @require http://userscripts.org/scripts/source/107941.user.js
全部替换
GM_setValue
与GM_SuperValue.set
全部替换
GM_getValue
与GM_SuperValue.get
解决通用汽车不允许
GM_setValue
的事实在从 GM 范围设置的事件处理程序中运行(这可能是一个错误),更改方式ParseJSON_Data
被称为...- 注释掉
J_DataCell.bind ('DOMSubtreeModified' ...
线。 - 添加
timerHandle = setInterval (function() { ParseJSON_Data (); }, 444);
,在其下方。 - 围绕
J_DataCell
添加更多逻辑.
- 注释掉
将它们放在一起,测试脚本变为:
// ==UserScript==
// @name _setvalue test
// @include http://www.trada.net/*
// @require http://ajax.googleapis.com/ajax/libs/jquery/1.5.1/jquery.min.js
// @require http://userscripts.org/scripts/source/107941.user.js
// ==/UserScript==
var auctiontyp = 0;
var my_test = GM_SuperValue.get("tsttst", 0);
var my_test2 = GM_SuperValue.get("tsttst2", 0);
var h = 0;
var m = 0;
var s = 0;
var t_int = 0;
var t_str = '';
var A12_current = 0;
var a_tst = true;
var a_tst2 = true;
var A12_old1 = GM_SuperValue.get("A12_old1", 0);
var A12_old2 = GM_SuperValue.get("A12_old2", 0);
var A12_old3 = GM_SuperValue.get("A12_old3", 0);
if (a_tst) {
console.log(my_test);
GM_SuperValue.set("tsttst", 5);
a_tst = false;
}
//--- Create a cell for transmitting the date from page scope to GM scope.
$('body').prepend('<div id="LatestJSON_Data"></div>');
var J_DataCell = $('#LatestJSON_Data');
//--- Evesdrop on the page's AJAX calls and paste the data into our special div.
unsafeWindow.$('body').ajaxSuccess(
function (event, requestData) {
J_DataCell.text(requestData.responseText);
} );
//--- Listen for changes to the special div and parse the data.
//J_DataCell.bind ('DOMSubtreeModified', {StoreValFunc: GM_SuperValue.set}, ParseJSON_Data);
timerHandle = setInterval (function() { ParseJSON_Data (); }, 444);
function ParseJSON_Data () {
//--- Get the latest data from the special cell and parse it.
var myJson = J_DataCell.text();
if (!myJson || /^\s*$/.test (myJson) )
return
else
J_DataCell.text (" ");
var jsonObj = $.parseJSON(myJson);
//--- The JSON should return a 2-D array, named "d".
var AuctionDataArray = jsonObj.d;
//--- Loop over each row in the array.
$.each(AuctionDataArray, function (rowIndex, singleAuctionData) {
//--- Print the 7th column.
//console.log('Row: ' + (parseInt(rowIndex) + 1) + ' Column: 7 Value: ' + singleAuctionData[6]);
if (a_tst2) {
console.log('******** ', my_test2);
GM_SuperValue.set ("tsttst2", 15);
console.log (A12_old1 + ' ' + A12_old2 + ' ' + A12_old3);
a_tst2 = false;
}
t_str = singleAuctionData[10];
var time = t_str.split(":");
h = 3600 * parseInt(time[0], 10);
m = 60 * parseInt(time[1], 10);
s = parseInt(time[2], 10);
t_int = h + m + s;
auctiontyp = parseInt(singleAuctionData[4]);
if (auctiontyp == 4) {
A12_current = parseFloat(singleAuctionData[8]);
if (t_int < 1) {
A12_old3 = A12_old2;
A12_old2 = A12_old1;
A12_old1 = A12_current;
GM_SuperValue.set ("A12_old1", A12_old1);
GM_SuperValue.set ("A12_old2", A12_old2);
GM_SuperValue.set ("A12_old3", A12_old2);
}
}
});
}
GM_addStyle ('#LatestJSON_Data {display:none;}');
关于javascript - GM_setvalue 不是每次都携带值,只是有时......需要帮助,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/6802750/