Question

我正在进行编码挑战，以加密字符串并在指定的字符长度后返回带空格的加密字符串。另外，剩下的剩余字符应使用额外的空格填充，以使其达到指定字符长度。这是我尝试做的：

const str =
  "If man was meant to stay on the ground, god would have given us roots.";

class SquareCode {
  constructor(text) {
    this.text = text;
  }

  // Remove spaces and punctuation
  normalizeString() {
    return this.text.replace(/[^\w]|_/g, "").toLowerCase();
  }

  // Get number of columns
  size() {
    return Math.ceil(Math.sqrt(this.normalizeString().length));
  }

  // Split string into chunks
  chunks() {
    const pattern = new RegExp(`.{1,${this.size()}}`, "g");
    return this.normalizeString().match(pattern);
  }

  // Encrypt String
  encryptString() {
    let code = "";
    const chunks = this.chunks();
    for (let i = 0; i < this.size(); ++i) {
    for (let j = 0; j < chunks.length; ++j) {
      code += chunks[j].slice(i, i + 1);

      const rowLength = this.size()-1;
      if (code.replace(/\s/g, '').length % rowLength === 0) code += ' ';
    }
  }
    return code;
  }
}

const work = new SquareCode(str);
console.log(work.encryptString());

这是我得到的输出：“ imtgdvs恐惧者mayoogo anouuio ntnnlvt wttddes aohghns seoau”

这是预期的输出：“ imtgdvs恐惧者mayoogo anouuio ntnnlvt wttddes aohghn ssauau”

这是提供更好环境的挑战的链接 Challenge

Answer 1

尝试：

const str =
  "If man was meant to stay on the ground, god would have given us roots.";

class SquareCode {
  constructor(text) {
    this.text = text;
  }

  // Remove spaces and punctuation
  normalizeString() {
    return this.text.replace(/[^\w]|_/g, "").toLowerCase();
  }

  // Get number of columns
  size() {
    return Math.ceil(Math.sqrt(this.normalizeString().length));
  }

  // Split string into chunks
  chunks() {
    const pattern = new RegExp(`.{1,${this.size()}}`, "g");
    return this.normalizeString().match(pattern);
  }

  // Encrypt String
  encryptString() {
    let code = "";
    const chunks = this.chunks();
    const size = this.size();
    console.log(chunks);
    for (let i = 0; i < size; ++i) {
    for (let j = 0; j < chunks.length; ++j) {
      code += chunks[j].slice(i, i + 1);
    }
    code += ' '
  }
    return code;
  }
}

const work = new SquareCode(str);

console.log(work.encryptString());

当块长度小于大小时，Slice返回一个空字符串，并在代码中的每个“单词”之后添加一个空格。尽管在说明中的示例中，“ aohghn”后似乎有2个空格，而不仅仅是一个空格，但是在您的问题中，对于所需的输出，只有一个空格：

“ imtgdvs恐惧者mayoogo anouuio ntnnlvt wttddes aohghn ssauau”

vs。

“ imtgdvs恐惧者mayoogo anouuio ntnnlvt wttddes aohghn（2个空格）ssauau”

如何在每个指定长度的字符后给字符串添加空格，并用一个空格填充其余字符？

1 个答案: