import java.util.Calendar;
public class Test { public static void main(String[] args) { printAvNum(); } /** * 持仓均值 */ public static void printAvNum(){ //单价和数量一一对应，个数相同；数量=0.01的只在prices往右写，数量>0.01的即在prices往左写，也在counts往左写。 double[] prices = {1263.99,1238.77,1250.33,1282.71,1284.57,1285.81,1229}; double[] counts = {6}; //总结余 double jieYu = 1077.07; //总值和总数量初始化； double sum=0,countAll=0; for(int i=0;i<prices.length;i++){ if(i<counts.length){ sum += prices[i]*counts[i]; countAll += counts[i]; } else{ sum += prices[i]; countAll += 1; } } double avNum = formatDouble(sum/countAll); double lowPrice = avNum- (jieYu-countAll*55)/countAll; System.out.println("持仓均值为："+avNum); System.out.println("持仓均值+5为："+(avNum+5)); System.out.println("可用款为"+(int)countAll*50+"的底线价格为："+formatDouble(lowPrice)); System.out.println("可用款为"+(int)countAll*40+"的底线价格为："+formatDouble(lowPrice-10)); System.out.println("爆仓价为(仅有保证金，可用款为0)："+formatDouble(lowPrice-45)); } /** * 理论值ag */ public static double getAgPriceUSD(){ //获取当年年份； Calendar cal = Calendar.getInstance(); int yearNow = cal.get(Calendar.YEAR); //获取年增率； float n = 15; double root = Math.pow(1.365865,1/n); // System.out.println((root-1)*100+"%"); //获取相对于基础年数2016的增加年数； int yearNum = yearNow-2016; //获取当前年份的理论基础值； return 38.78*Math.pow(root,yearNum); } /** * 理论值au */ public static double getAuPriceUSD(){ //获取当年年份； Calendar cal = Calendar.getInstance(); int yearNow = cal.get(Calendar.YEAR); //获取年增率； float n = 20; double root = Math.pow(3.1134,1/n); //获取相对于基础年数2016的增加年数； int yearNum = yearNow-2016; //获取当前年份的理论基础值； return 1057*Math.pow(root,yearNum); } /** * 理论值au/CNH */ public static double getPriceCNH(){ double suggestedPriceAu = getAuPriceUSD(); System.out.println(suggestedPriceAu*278/1245); return suggestedPriceAu*278/1245; } /** * 保留两位小数，四舍五入的方法 */ public static double formatDouble(double d) { return (double)Math.round(d*100)/100; } }