js 字符串截取所需数据

例如:01 1000123456 10 230425000123 11 230425 17 240425(批号可能存在字母,中间没有空格,编码等的字数不固定)
规则:(01)商品编码(10)生产批号(11)生产日期(17)有效期至

测试数据:

[
  {"splitChar":"01","key":"code","name":"商品编码"},
  {"splitChar":"10","key":"batchNumber","name":"生产批号"},
  {"splitChar":"11","key":"produceDate","name":"生产日期"},
  {"splitChar":"17","key":"expireDate","name":"有效期至"},
  {"splitChar":"","key":"none","name":"无"},
  {"splitChar":"","key":"none"},
  {"splitChar":"","key":"none"},
  {"splitChar":"","key":"none"}
  ...
]

想要的结果是:

{
  key: "code",
  val: 1000123456
}, {
  key: "batchNumber",
  val: 230425000123
}

我写了一堆,有比较简洁的方法吗,请指教

引用chatGPT作答,根据您提供的信息,可以使用 JavaScript 中的字符串截取和数组循环来实现您想要的结果。以下是一个可能的实现:

const inputStr = '011000123456102304250001231123042517240425';
const config = [
  {"splitChar":"01","key":"code","name":"商品编码"},
  {"splitChar":"10","key":"batchNumber","name":"生产批号"},
  {"splitChar":"11","key":"produceDate","name":"生产日期"},
  {"splitChar":"17","key":"expireDate","name":"有效期至"},
  {"splitChar":"","key":"none","name":"无"},
  {"splitChar":"","key":"none"},
  {"splitChar":"","key":"none"},
  {"splitChar":"","key":"none"}
  // ...
];

const result = [];
config.forEach(item => {
  if (item.splitChar) {
    const startIndex = inputStr.indexOf(item.splitChar) + item.splitChar.length;
    const endIndex = config.slice(config.indexOf(item) + 1).findIndex(i => i.splitChar) + startIndex;
    result.push({ key: item.key, val: inputStr.slice(startIndex, endIndex) });
  }
});

console.log(result); // [{ key: "code", val: "1000123456" }, { key: "batchNumber", val: "230425000123" }]

这段代码将输入字符串和配置数组作为参数,并使用 forEach 方法循环配置数组。如果 splitChar 属性存在,则在输入字符串中找到该字符的位置,并计算截取该值所需的起始和结束索引。然后,将结果添加到 result 数组中,并在最后打印出来。

请注意,这段代码假定您的配置数组是按照 splitChar 属性的顺序排列的,并且 splitChar 属性不会重复。如果这些假设不成立,则需要根据实际情况进行调整。

分隔符是 01 10 11 17 的话,针对一个字符串没有空格的话,会不会存在分隔符和字符串相同的情况。如果存在的话则后续的规则是什么?