vue数字动态转换大写
如上图要求数字相加后动态转换大写
<span>{{addtotal|toChies}}</span>
export default { components: { //Editor }, data() { return {} }, filters: { //局部过滤器 toChies: function(amount) { //形参 // 汉字的数字 const cnNums = ["零", "壹", "贰", "叁", "肆", "伍", "陆", "柒", "捌", "玖"]; // 基本单位 const cnIntRadice = ["", "拾", "佰", "仟"]; // 对应整数部分扩展单位 const cnIntUnits = ["", "万", "亿", "兆"]; // 对应小数部分单位 const cnDecUnits = ["角", "分"]; // 整数金额时后面跟的字符 const cnInteger = "整"; // 整型完以后的单位 const cnIntLast = "元"; // 最大处理的数字 const maxNum = 9999999999999999.99; // 金额整数部分 let integerNum; // 金额小数部分 let decimalNum; // 输出的中文金额字符串 let chineseStr = ""; // 分离金额后用的数组,预定义 let parts; if (amount === "") { return ""; } amount = parseFloat(amount); if (amount >= maxNum) { // 超出最大处理数字 return ""; } if (amount === 0) { chineseStr = cnNums[0] + cnIntLast + cnInteger; return chineseStr; } // 转换为字符串 amount = amount.toString(); if (amount.indexOf(".") === -1) { integerNum = amount; decimalNum = ""; } else { parts = amount.split("."); integerNum = parts[0]; decimalNum = parts[1].substr(0, 4); } // 获取整型部分转换 if (parseInt(integerNum, 10) > 0) { let zeroCount = 0; const IntLen = integerNum.length; for (let i = 0; i < IntLen; i++) { const n = integerNum.substr(i, 1); const p = IntLen - i - 1; const q = p / 4; const m = p % 4; if (n === "0") { zeroCount++; } else { if (zeroCount > 0) { chineseStr += cnNums[0]; } // 归零 zeroCount = 0; //alert(cnNums[parseInt(n)]) chineseStr += cnNums[parseInt(n)] + cnIntRadice[m]; } if (m === 0 && zeroCount < 4) { chineseStr += cnIntUnits[q]; } } chineseStr += cnIntLast; } // 小数部分 if (decimalNum !== "") { const decLen = decimalNum.length; for (let i = 0; i < decLen; i++) { const n = decimalNum.substr(i, 1); if (n !== "0") { chineseStr += cnNums[Number(n)] + cnDecUnits[i]; } } } if (chineseStr === "") { chineseStr += cnNums[0] + cnIntLast + cnInteger; } else if (decimalNum === "") { chineseStr += cnInteger; } return chineseStr; } }, //计算金额总和保留小数点两位 computed: { addtotal() { let total = 0; let totalSmall = this.infoData.detail totalSmall.map((item) => { if (item.amount == '') { item.amount = 0; } total += Number(item.amount) }) return total.toFixed(2)//四舍五入保留两位 } }, }