用jQuery和TransCrypt检索文件



我有问题可以让jQuery与TransCrypt合作。这是我的代码。我想通过负载检索文件,然后将其放入变量中。函数read_file工作正常,并在DIV元素中显示VAR。但是其他两个函数无法按预期工作:read_hidden_var仅在单击第二次之后起作用,并且read_file_var根本不起作用,出现错误,说:typeError $ .py_get不是函数。

这是代码:

#!/usr/bin/env python
# -*- coding: utf-8 -*-
__pragma__ ('alias', 'S', '$')
class TestSystem:
    def read_file(self):
        S("#demo").load("https://raw.githubusercontent.com/bunkahle/Transcrypt-Examples/master/README.md")
    def read_hidden_var(self):
        document.getElementById('hidden_text').style.display='block'
        S("#hidden_text").load("https://raw.githubusercontent.com/bunkahle/Transcrypt-Examples/master/README.md")
        console.log(S("#hidden_text").html())
        self.file_content = S("#hidden_text").html()
        S("#hidden_text").html("")
        document.getElementById('hidden_text').style.display='none'
        alert(self.file_content)
    def read_file_var(self):
        S.get("https://raw.githubusercontent.com/bunkahle/Transcrypt-Examples/master/README.md", self.get_filecontent)
    def get_filecontent(self, response):
        self.file_content = response
        alert(self.file_content)
testSystem = TestSystem()

和html:

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.0/jquery.min.js"></script>
    <script src="__javascript__/read_file2.js"; charset="UTF-8"></script>
    <title>Read File</title>
  </head>
  <body>
    <main>
        <h1>Read a file!</h1>
        <p id="p1" class="para1">Read a file!</p>
      <button id="button1" onclick="$(document).ready(read_file2.testSystem.read_file)">Click for retrieving text file</button><br><br>
      <button id="button1" onclick="$(document).ready(read_file2.testSystem.read_file_var)">Click for retrieving text file into var</button><br><br>
      <button id="button1" onclick="$(document).ready(read_file2.testSystem.read_hidden_var)">Click for retrieving text file into hidden paragraph</button><br><br>
      <p id="demo"></p>
      <p id="hidden_text"></p>
    </main>
  </body>
</html>

" py_get不是函数"报告是由混叠引起的。 get一词在python中具有特殊的含义,因此默认情况下是与 py_get的别名,在此上下文中不存在。您可以unalias get或使用js_get,因为这是与get相反的。所有别名都有类似的选项,如:

的预定别名列表中可以看出

http://www.transcrypt.org/docs/html/special_facilities.html#pragma-alias

在下面的修改代码中,我使用了js_get,因为它的影响最小。(要查找修改,搜索!!!(

双击问题很难解决。我已经用纯JavaScript代替了该代码,并且问题仍然存在。程序逻辑。但是我目前无法确定它。

#!/usr/bin/env python
# -*- coding: utf-8 -*-
__pragma__ ('alias', 'S', '$')
class TestSystem:
    def read_file(self):
        S("#demo").load("https://raw.githubusercontent.com/bunkahle/Transcrypt-Examples/master/README.md")
    def read_hidden_var(self):
        # !!! Literally inserted JavaScript does not solve the second problem,
        # so probably this isn't specific to Transcrypt
        __pragma__ ('js', '{}', '''
            console.log ("BEGIN read_hidden_var");
            document.getElementById("hidden_text").style.display="block";
            $("#hidden_text").load("https://raw.githubusercontent.com/bunkahle/Transcrypt-Examples/master/README.md");
            console.log($("#hidden_text").html());
            self.file_content = $("#hidden_text").html();
            $("#hidden_text").html("");
            document.getElementById("hidden_text").style.display="none";
            alert(self.file_content);
            console.log ("END read_hidden_var");
        ''')
    def read_file_var(self):
        # !!! Using js_get solves the first problem
        S.js_get("https://raw.githubusercontent.com/bunkahle/Transcrypt-Examples/master/README.md", self.get_filecontent)
    def get_filecontent(self, response):
        self.file_content = response
        alert(self.file_content)
testSystem = TestSystem()

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