diff --git a/docs/chmod.html b/docs/chmod.html index ab15bacd..6c5e9eb4 100644 --- a/docs/chmod.html +++ b/docs/chmod.html @@ -53,10 +53,10 @@

chmod 命令代表“更改模式”

Chmod 生成器

-
<div>
-权限：<input type="text" id="num" placeholder="777" maxlength="3" style="padding: 0.3rem 0.3rem;" /> <input type="text" id="let" placeholder="rwxrwxrwx" maxlength="9" style="padding: 0.3rem 0.3rem;" />
-</div>
-
+

+权限： 
+

+
@@ -414,229 +414,229 @@
  • 使用 chmod 修改文件权限 (linode.com)
    • -
    <!-- Chmod 生成器 JS 代码 -->
-<script type="text/javascript">
-  const reg_num = /^[0-7]{3}$/; // 一些正则表达式来检查 num 输入
-  const reg_let = /^([r\-]{1}[w\-]{1}[x\-]{1}){3}$/; // 一些正则表达式来检查文本输入
-  function checkBoxHandle() {
-    change_occured(true, false, false);
-    // get rid of bad input classes
-    document.getElementById('num').classList.remove('bad-input');
-    document.getElementById('let').classList.remove('bad-input');
-  }
-  window.addEventListener("DOMContentLoaded", function () {
-    // loop over all the check boxes
-    for (let i = 1; i < 10; i++) {
-      let checkBox = document.getElementById(`${i}`);
-      checkBox.addEventListener('change', function () {
-        change_occured(true, false, false);
-
-        // get rid of bad input classes
-        document.getElementById('num').classList.remove('bad-input');
-
-        document.getElementById('let').classList.remove('bad-input');
-      });
-    }
-    // the octal input
-    let num_input = document.getElementById('num');
-    let num_fn = function () {
-      // check for bad input
-      if (!reg_num.test(this.value)) {
-        this.classList.add('bad-input');
-      } else {
-        this.classList.remove('bad-input');
-        change_occured(false, true, false);
-      }
-    };
-    num_input.addEventListener('change', num_fn);
-    num_input.addEventListener('keyup', num_fn);
-    // the let input
-    let let_input = document.getElementById('let');
-    let let_fn = function () {
-      // check for bad input
-      if (!reg_let.test(this.value)) {
-        this.classList.add('bad-input');
-      } else {
-        this.classList.remove('bad-input');
-        change_occured(false, false, true);
-      }
-    };
-    let_input.addEventListener('change',let_fn);
-    let_input.addEventListener('keyup',let_fn);
-  });
-  /* SETUP
-  r-4-1  r-4-4  r-4-7
-  w-2-2  w-2-5  w-2-8
-  x-1-3  x-1-6  x-1-9
-  */
-  // define a function that runs when a change occures
-  function change_occured(caller_was_check, caller_was_num, caller_was_let) {
-    let num1 = 0, num2 = 0, num3 = 0; // these are the three numbers for the octal
-    let perm_string = ''; // holds the permision string ex. rw-x--r--
-    if (caller_was_check) {
-      // loop over all the check boxes and get the permisions
-      for (let i = 1; i < 10; i++) {
-        let checkBox = document.getElementById(`${i}`);
-        if (checkBox.checked) { // if checked
-          let current_perm = check_to_octal_and_text(i);
-          perm_string += `${current_perm.perm_let}`;
-          if (i <= 3) {
-            num1 += current_perm.perm_num;
-          } else if (i <= 6) {
-            num2 += current_perm.perm_num;
-          } else {
-            num3 += current_perm.perm_num;
-          }
-        } else { // if not checked
-          perm_string += '-';
-        }
-      }
-      // set the permision input text
-      document.getElementById('let').value = perm_string;
-      document.getElementById('num').value = `${num1}${num2}${num3}`;
-    } else if (caller_was_num) {
-      // get the individual numbers
-      let num_input_val = document.getElementById('num').value;
-      num1 = num_input_val.substring(0, 1);
-      num2 = num_input_val.substring(1, 2);
-      num3 = num_input_val.substring(2, 3);
-      // set the checkboxes and get the perm string
-      perm_string += octal_to_check_and_txt(num1, 0); //Owner
-      perm_string += octal_to_check_and_txt(num2, 1); //Owner
-      perm_string += octal_to_check_and_txt(num3, 2); //Owner
-      // set the permision input text
-      document.getElementById('let').value = perm_string;
-    } else if (caller_was_let) {
-      // get the text input
-      let perm_text = document.getElementById('let').value;
-      num1 = text_to_check_and_octal(perm_text.substring(0, 3), 0)
-      num2 = text_to_check_and_octal(perm_text.substring(3, 6), 3)
-      num3 = text_to_check_and_octal(perm_text.substring(6, 9), 6)
-      // set the octal value
-      document.getElementById('num').value = `${num1}${num2}${num3}`;
-    }
-  }
-  // define a function to converts the checkbox # to the respective permissions
-  // returns perm_num, perm_let
-  function check_to_octal_and_text(check_num) {
-    let perm_num = 0;
-    let perm_let = '-';
-    switch (check_num) {
-      case 1:
-      case 4:
-      case 7:
-        perm_num = 4;
-        perm_let = 'r';
-        break;
-      case 2:
-      case 5:
-      case 8:
-        perm_num = 2;
-        perm_let = 'w';
-        break;
-      case 3:
-      case 6:
-      case 9:
-        perm_num = 1;
-        perm_let = 'x';
-        break;
-      default:
-        perm_num = 0;
-        perm_let = '-';
-    }
-    // return values
-    return {
-      perm_num,
-      perm_let
-    };
-  }
-  /**
-   Takes a number 1-7 and which class it is in:
-   0 = owner
-   1 = Group
-   2 = Public
-   Returns: perm text (ex. "rwx") and sets the appropriate checkboxes
-   */
-  function octal_to_check_and_txt(octal_num, class_num) {
-    let perm_text = '';
-    let offset = class_num * 3;
-    switch (octal_num) {
-      case '1':
-        document.getElementById(`${1 + offset}`).checked = false;
-        document.getElementById(`${2 + offset}`).checked = false;
-        document.getElementById(`${3 + offset}`).checked = true;
-        perm_text = '--x';
-        break;
-      case '2':
-        document.getElementById(`${1 + offset}`).checked = false;
-        document.getElementById(`${2 + offset}`).checked = true;
-        document.getElementById(`${3 + offset}`).checked = false;
-        perm_text = '-w-';
-        break;
-      case '3':
-        document.getElementById(`${1 + offset}`).checked = false;
-        document.getElementById(`${2 + offset}`).checked = true;
-        document.getElementById(`${3 + offset}`).checked = true;
-        perm_text = '-wx';
-        break;
-      case '4':
-        document.getElementById(`${1 + offset}`).checked = true;
-        document.getElementById(`${2 + offset}`).checked = false;
-        document.getElementById(`${3 + offset}`).checked = false;
-        perm_text = 'r--';
-        break;
-      case '5':
-        document.getElementById(`${1 + offset}`).checked = true;
-        document.getElementById(`${2 + offset}`).checked = false;
-        document.getElementById(`${3 + offset}`).checked = true;
-        perm_text = 'r-x';
-        break;
-      case '6':
-        document.getElementById(`${1 + offset}`).checked = true;
-        document.getElementById(`${2 + offset}`).checked = true;
-        document.getElementById(`${3 + offset}`).checked = false;
-        perm_text = 'rw-';
-        break;
-      case '7':
-        document.getElementById(`${1 + offset}`).checked = true;
-        document.getElementById(`${2 + offset}`).checked = true;
-        document.getElementById(`${3 + offset}`).checked = true;
-        perm_text = 'rwx';
-        break;
-      default:
-        document.getElementById(`${1 + offset}`).checked = false;
-        document.getElementById(`${2 + offset}`).checked = false;
-        document.getElementById(`${3 + offset}`).checked = false;
-        perm_text = '---';
-    }
-    return perm_text;
-  }
-  /**
-   Takes 3 letters (r, w, x, -    ex. 'rw-') and an offset (0,3,6)
-   Returns the octal num and sets the appropriate checkboxes
-   */
-  function text_to_check_and_octal(letters, offset) {
-    let perm_num = 0; // the octal number to return
-    // add up the oct num and set the check boxes
-    for (let i = 0; i < 3; i++) {
-      current_let = letters.substring(i, i + 1);
-      if (current_let == 'r') {
-        document.getElementById(`${i + 1 + offset}`).checked = true;
-        perm_num += 4;
-      } else if (current_let == 'w') {
-        document.getElementById(`${i + 1 + offset}`).checked = true;
-        perm_num += 2;
-      } else if (current_let == 'x') {
-        document.getElementById(`${i + 1 + offset}`).checked = true;
-        perm_num += 1;
-      } else {
-        document.getElementById(`${i + 1 + offset}`).checked = false;
-      }
-    }
-    return perm_num;
-  }
-</script>
-
    +
    
+
+