跳到主要内容

字符串截取

string slice

img

输入类型​

v：始终转为String
n1：Number | any
n2：Number | any

返回类型​

String

使用示例​

2
3

源码​

/categorys/string_and_type.js
    {//2.0.0
        opcode: `${category_id}.string_slice`,
        messageId: `${category_id}.string_slice`,
        categoryId: category_id,
        type: type.BlockType.REPORTER,
        param: {
            v: {
                type: type.ParameterType.STRING,
                default: 'Hello World!'
            },
            n1: {
                type: type.ParameterType.NUMBER,
                default: '0'
            },
            n2: {
                type: type.ParameterType.NUMBER,
                default: '-1'
            },
        },
        function: (args,util)=> String( args.v ).slice(
            args.n1 ,
            args.n2==='' ? undefined : args.n2
        )
    },