[英]How to convert text with new lines into JavaScript new lines using Smarty
我有一个正在使用的SugarCRM模块中使用Smart的模板。
下面是有问题的代码,它基本上遍历了一个PHP Array,并为每个Array Item调用了JavaScript函数...
{foreach from=$TASKS key=key item=task}
add_task_row("{$task.task_id}","{$ID}","{$task.name}","{$task.description}","{$task.status}","{$task.priority}","{$task.type}","{$task.sort_order}","{$task.heading}");
{/foreach}
这是上面显示的JavaScript函数...
function add_task_row(taskid,projectid,name,description,status,priority,type,sort,heading){
var ii = document.getElementById("project_tasks");
var num = document.getElementById("tasks_count").value;
// If TaskID is EMPTY, then assign it a new one from the row count
var taskIDTimeStamp = new Date().getTime();
//console.log('ID1: '+id);
if(taskid){
var taskid = taskid;
}else{
var taskid = taskIDTimeStamp;
}
num++;
//var prioritySelHtml = createOptions(priority);
var e = document.createElement("div");
e.setAttribute('id','task_'+num);
e.setAttribute('class','task_row');
e.innerHTML = '<span class="handle"></span>';
e.innerHTML += '<input name="taskid_'+num+'" id="taskid_'+num+'" size=15 type="hidden" value="'+taskid+'">';
e.innerHTML += '<input name="projectid_'+num+'" id="projectid_'+num+'" size=15 type="hidden" value="'+projectid+'">';
e.innerHTML += '<input name="sort_order_'+num+'" id="sort_order_'+num+'" class="sort_order" size=15 type="hidden" value="'+sort+'">';
e.innerHTML += '<input name="heading_'+num+'" id="heading_'+num+'" class="heading" size=15 type="hidden" value="'+heading+'">';
if(heading == 1){
// Add a Task Heading
e.innerHTML += '<input name="name_'+num+'" id="name_'+num+'" class="task-heading" size=45 type="text" value="'+name+'" placeholder="Type a Project Task List Heading Here...">';
e.innerHTML += '<div style="display:none; float: left; width: 400px;"><textarea name="description_'+num+'" id="description_'+num+'" rows="4" cols="50">'+description+'</textarea></div>';
e.innerHTML += '<div style="display:none; float: left; width: 100px;"><select name="status_'+num+'" id="status_'+num+'" class="status">'+buildFormSelection(statusArray, status)+'</select></div>';
e.innerHTML += '<div style="display:none; float: left; width: 90px;"><select name="priority_'+num+'" id="priority_'+num+'" class="priority">'+buildFormSelection(prioritiesArray, priority)+'</select></div>';
e.innerHTML += '<div style="display:none; float: left; width: 100px;"><select name="type_'+num+'" id="type_'+num+'" class="type">'+buildFormSelection(typesArray, type)+'</select></div>';
}else{
// Add a Task
e.innerHTML += '<input name="name_'+num+'" id="name_'+num+'" size=45 type="text" value="'+name+'">';
//e.innerHTML += '<input name="description_'+num+'" id="description_'+num+'" size=45 type="text" value="'+description+'">';
e.innerHTML += '<textarea name="description_'+num+'" id="description_'+num+'" class="edit_description" rows="1" cols="50">'+description+'</textarea>';
e.innerHTML += '<select name="status_'+num+'" id="status_'+num+'" class="status">'+buildFormSelection(statusArray, status)+'</select>';
e.innerHTML += '<select name="priority_'+num+'" id="priority_'+num+'" class="priority">'+buildFormSelection(prioritiesArray, priority)+'</select>';
e.innerHTML += '<select name="type_'+num+'" id="type_'+num+'" class="type">'+buildFormSelection(typesArray, type)+'</select>';
}
//e.innerHTML += '<button type="button" onclick="remove_item_row('+num+')"><img src="index.php?entryPoint=getImage&imageName=id-ff-clear.png"></button>';
e.innerHTML += '<button type="button" onclick="remove_item_row('+num+')"><img src="./modules/apoll_Web_Projects/assets/images/cross.png"></button>';
e.innerHTML += '<br style="clear:both;">';
document.getElementById("tasks_count").value = num;
ii.appendChild(e);
}
每次调用我的JavaScript函数add_task_row()
,它都会在DOM中插入一个新的Project Tasks Div,并在每一行中填充表单字段。
这在大多数情况下都有效,但是我只是将一个不同的值保存到数据库中,现在当它加载该值时,它会导致JavaScript错误,如下所示: Uncaught SyntaxError: Unexpected token ILLEGAL
当我查看页面源代码时,我可以看到它是1条数据库记录,导致我的源代码出现了问题。...
add_task_row("1411445999407","205e34c6-7381-92eb-e6ab-54125429cd2a","ghjfghjh","dfg dhfjhg dfgosdjkfgosdfk hgdjfhdhikfgj gsidgisfdgh
fh
dfgh
d tgh
tgj
hfghj
fg hjgh0dgoh igkoiiuwidth: 679px;width: 679px;width: 679px;width: 679px;width: 679px;width: 679px;width: 679px;width: 679px;width: 679px;width: 679px;width: 679px;width: 679px;width: 679px;width: 679px;width: 679px;width: 679px;width: 679px;width: 679px;width: 679px;width: 679px;width: 679px;width: 679px;width: 679px;width: 679px;width: 679px;width: 679px;width: 679px;width: 679px;width: 679px;width: 679px;width: 679px;width: 679px;width: 679px;width: 679px;width: 679px;width: 679px;width: 679px;width: 679px;width: 679px;width: 679px;width: 679px;width: 679px;width: 679px;width: 679px;width: 679px;width: 679px;width: 679px;width: 679px;width: 679px;","In Progress","Low","Other","3","0");
因此,在上面的代码中,您可以看到由于某种原因,此长数据库值未包装在Quotes中。
知道如何解决仅在DB值看起来像特殊字符时才会发生的此问题吗?
UPDATE ,经过进一步检查,我发现long值包装在Quotes中,并且经过更多测试,不是特殊字符引起了问题,而是换行了!
add_task_row("1411445999407","205e34c6-7381-92eb-e6ab-54125429cd2a","ghjfghjh","gdf;dgdfdfg 679px;width: 679px;width: 679px;
dsgdfgsdfg
dfgsdfgsdfg
dfgsdfg","In Progress","Low","Other","3","0");
关于如何使用这些换行符制作字符串的任何想法都不会导致JavaScript错误?
这是将JavaScript字符串放入源代码的方式。 您不能简单地转到新行。
例如下面的代码正在工作
alert('1 2 3 4');
但是以下内容却没有:
alert('1
2 3 4');
并且以下再次起作用:
alert('1' +
'2 3 4');
如果要在Smarty中进行任何更改,可以通过以下方式进行:
{assign var="string" value="1
2
3
4"}
<script>
alert ("{$string|replace:array("\n","\r"):array(' ', '')}");
</script>
使用replace
修饰符,您可以将\\r
和\\n
更改为空格-内容更改很小,但是如果您不在乎,它应该可以工作。
另一种解决方案是将新行结尾转换为纯\\n
字符串,从而使JavaScript将其视为新行,因此可以将上述示例更改为:
{assign var="string" value="1
2
3
4"}
<script>
alert ("{$string|replace:array("\n","\r"):array('\n', '\n')}");
</script>
现在处于警戒状态,您将显示新行。
因此,在您的情况下,您可能应该更改行:
add_task_row("{$task.task_id}","{$ID}","{$task.name}","{$task.description}","{$task.status}","{$task.priority}","{$task.type}","{$task.sort_order}","{$task.heading}");
成
add_task_row("{$task.task_id}","{$ID}","{$task.name}","{$task.description|replace:array("\n","\r"):array('\n', '\n')}","{$task.status}","{$task.priority}","{$task.type}","{$task.sort_order}","{$task.heading}");
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